14620 + Mcqs in Biology Page 239 McqOptions

11901.	Which of the following contain xylem vessel [Haryana PMT 2005; MP PMT 2005]
A.	Bryophyte
B.	Pteridophyta
C.	Bryophyta
D.	Angiosperm
Answer» E.

Discussion

11902.	Alcohol is produced during the process of [CPMT 1983]
A.	Aerobic respiration
B.	Anaerobic respiration
C.	Photosynthesis
D.	None of the above
Answer» C. Photosynthesis

Discussion

11903.	Soil conservation is [CBSE PMT 1989]
A.	Conversion of sterile soil into fertile one
B.	Aeration of soil
C.	Erosion of soil
D.	Protection against loss
Answer» E.

Discussion

11904.	Source of energy which does not evolve\[C{{O}_{2}}\]is [RPMT 1995,96]
A.	Coal
B.	Oil
C.	Organic compounds
D.	Nuclear energy
Answer» E.

Discussion

11905.	Which one is different from others [DPMT 1982]
A.	Whale
B.	Porpoise
C.	Bat
D.	Fish
Answer» E.

Discussion

11906.	Which place in India is called "The Golden Mine of Liverworts" [Kerala CET 2003]
A.	Eastern Himalayas
B.	Western Himalayas
C.	Western Ghats
D.	Eastern Ghats
Answer» C. Western Ghats

Discussion

11907.	The main function of connective tissue is
A.	Binding together other tissues
B.	Supporting various parts of the body
C.	Forming a packing around organs
D.	All the above
Answer» E.

Discussion

11908.	One week old embryo can be preserved at
A.	\[-196{}^\circ C\]
B.	\[200{}^\circ C\]
C.	\[270{}^\circ C~\]
D.	None of these
Answer» B. \[200{}^\circ C\]

Discussion

11909.	Assertion : Blood is colourless in the insects. Reason : Insect blood has no role in transport. [AIIMS 1994]
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

11910.	Error catastrophe theory was propounded by
A.	B. Pal
B.	Orgel
C.	Strechler
D.	None of the above
Answer» C. Strechler

Discussion

11911.	Order primata contains [CPMT 2001]
A.	Shrew and hedge hog
B.	Bats and vampire
C.	Monkeys and man
D.	Horses and zebra
Answer» D. Horses and zebra

Discussion

11912.	Which one of these is an in-situ method of conservation [Kerla CET 2005]
A.	National park
B.	Botanical garden
C.	Tissue culture
D.	Genetic engineering
E.	Cryopreservation
Answer» B. Botanical garden

Discussion

11913.	A characteristic showing continuous variation is controlled by a
A.	Dominant gene
B.	Recessive gene
C.	Mutant gene
D.	Number of genes
Answer» E.

Discussion

11914.	Which of the true for national parks [Orissa JEE 2004]
A.	Tourism is allowed in buffer zone
B.	No human activity is allowed
C.	Hunting allowed in core zone
D.	Cattle grazing is allowed in butter zone
Answer» C. Hunting allowed in core zone

Discussion

11915.	From which of the following LSD is obtained
A.	Mucor
B.	Spirogyra
C.	Aspergillus
D.	Claviceps
Answer» E.

Discussion

11916.	Reticular connective tissue is found in
A.	Liver
B.	Spleen
C.	Kidneys
D.	Skin
Answer» C. Kidneys

Discussion

11917.	Composited manure is formed from
A.	Rotted vegetable and animal refuse?
B.	Farmyard manure and green manure
C.	Farm refuse and household refuse
D.	Organic wastes from which biogas has been extracted
Answer» B. Farmyard manure and green manure

Discussion

11918.	Assertion : Schizogony is an asexual reproduction of female Anopheles mosquito. Reason : It takes place only in human liver cells.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11919.	Cheese and Yoghurt are products of the process [MP PMT 1994, 2003]
A.	Distillation
B.	Pasteurization
C.	Fermentation
D.	Dehydration
Answer» D. Dehydration

Discussion

11920.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : SCID is a primary immunodeficiency. Reason : It is a serious congenital immunodeficiency.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion

Discussion

11921.	Assertion : The archegonia of Funaria are arranged into a terminal cluster. Reason : The archegonial cluster is surrounded by perigonial leaves.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11922.	Vegetal hemisphere of egg consists of [MP PMT 2000]
A.	Yolk
B.	Pigment
C.	Grey crescent
D.	Germinal vesicle
Answer» B. Pigment

Discussion

11923.	Inexhaustible but limited source of energy is
A.	Products of lakes and ponds
B.	Products of oceans
C.	Nuclear fuels
D.	Fossil fuels
Answer» E.

Discussion

11924.	Assertion : mRNA attaches to ribosome through its 3' end. Reason : The mRNA has F-capsular nucleotide and bases of lagging sequence. [AIIMS 2002]
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» E. If the assertion is false but reason is true

Discussion

11925.	Assertion : Spermathecae are the main part of reproductive system of annelida. Reason : Spermathecae help in sperm transfer.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion

Discussion

11926.	Assertion : Polyploidy in plant is common. Reason : Animals composed entirely of polyploid cells are rare.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

11927.	Which of the following is known as living fossil [MP PMT 2001, 03]
A.	Lepidosiren
B.	Lepidosteus
C.	Latimeria
D.	Neoceratodus
Answer» D. Neoceratodus

Discussion

11928.	Rabbit belongs to the order [CBSE PMT 1991]
A.	Rodentia
B.	Lagomorpha
C.	Artiodactyla
D.	Perissodactyla
Answer» C. Artiodactyla

Discussion

11929.	Honey bee is of greatest use to man due to which reason [CPMT 1996]
A.	We get honey from them
B.	Helps in cross pollination
C.	Is of medicinal value
D.	Entertains
Answer» C. Is of medicinal value

Discussion

11930.	Assertion : It was cyanobacteria-like organism which in ancient time added oxygen to the atmosphere. Reason : Cyanobacteria was photo-autotrophic.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

11931.	Read the assertion and reason carefully: Assertion : Tyloses plug the tracheids and vessels. Reason : Tyloses are in growths of xylem cells.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11932.	Human body regularly loses cells in the region of
A.	Skin surface
B.	Lining layer of gut
C.	Red blood cells
D.	All the above
Answer» E.

Discussion

11933.	Which element plays an important role in nitrogen fixation? [CBSE PMT 1995]
A.	Mn
B.	Mo
C.	Zn
D.	Cu
Answer» C. Zn

Discussion

11934.	The first natural insecticides discovered by chinese was
A.	Pyrethrum
B.	Nicotine
C.	Rotenones
D.	Thurioside
Answer» D. Thurioside

Discussion

11935.	Tropical plant like sugarcane show high efficiency of\[C{{O}_{2}}\]fixation because of [BHU 1978, 82; MP PMT 1986, 87, 90]
A.	Calvin cycle
B.	Hatch and Slack cycle
C.	EMP pathway
D.	TCA cycle
Answer» C. EMP pathway

Discussion

11936.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Smokers are prone to coronary heart disease. Reason : Smoking increases high density lipoproteins.
A.	If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.	If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.	If assertion is true but reason is false.
D.	If the assertion and reason both are false.
E.	If assertion is false but reason is true.
Answer» D. If the assertion and reason both are false.

Discussion

11937.	"National Institute of Oceanography" is situated at [DPMT 1986]
A.	Bombay
B.	Panaji (Goa)
C.	Lucknow
D.	Chennai
Answer» C. Lucknow

Discussion

11938.	One functional unit of gene which specifies synthesis of one polypeptide is known as [DPMT 1985; BHU 1991; MP PMT 2001]
A.	Recon
B.	Clone
C.	Codon
D.	Cistron
Answer» E.

Discussion

11939.	Read the assertion and reason carefully: Assertion : A plant having unisexual flowers are called dioecious. Reason : Mango is a polygamous plant.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

11940.	Biogeochemical cycles can be traced in
A.	Ecosystems
B.	Biomes
C.	Only water
D.	Both a and b
Answer» E.

Discussion

11941.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Adenoma is a sarcoma. Reason : Adenoma is located in the adipose tissue.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» E. If the assertion is false but reason is true

Discussion

11942.	The process which the yeast cells perform is called [DPMT 1992]
A.	Transpiration
B.	Pastuerization
C.	Fermentation
D.	Effervescence
Answer» D. Effervescence

Discussion

11943.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Tetanus can be diagnosed by Mantoux test. Reason : In Mantoux test, the dye gives colour to tetanospasmin.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» E. If the assertion is false but reason is true

Discussion

11944.	Assertion : Neurons are said to possess the property of excitability. Reason : Neurons can get excited by a given stimulus.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion

Discussion

11945.	Assertion : Initiation step of protein synthesis in prokaryotes and eukaryotes has several differences. Reason : They both form mRNA - tRNA complex with smaller subunit of ribosome.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

11946.	Assertion : The primary protonema of moss by death and decay of cells may break into fragments. Reason : Each fragment gives rise to leafy gametophyte.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11947.	Apart from mammals, other group of animals maintaining a high and constant body temperature is [DPMT 1983]
A.	Insects
B.	Fishes
C.	Worms
D.	Birds
Answer» E.

Discussion

11948.	Assertion : Funaria multiplied vegetatively by means of bulbils. Reason : Bulbils and tubers are two different structures.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11949.	Assertion : There is no chance of malaria to a man on the bite of male Anopheles mosquito. Reason : It carries a non-virulant strain of Plasmodium. [AIIMS 1998]
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» D. If both the assertion and reason are false

Discussion

11950.	Read the assertion and reason carefully: Assertion : The two cotyledons in seed are embryonic leaves. Reason : The embryo contains radicle and plumule. [AIIMS 2002]
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» C. If the assertion is true but the reason is false

Discussion

Explore topic-wise MCQs in NEET.

Which of the following contain xylem vessel [Haryana PMT 2005; MP PMT 2005]

Alcohol is produced during the process of [CPMT 1983]

Soil conservation is [CBSE PMT 1989]

Source of energy which does not evolve\[C{{O}_{2}}\]is [RPMT 1995,96]

Which one is different from others [DPMT 1982]

Which place in India is called "The Golden Mine of Liverworts" [Kerala CET 2003]

The main function of connective tissue is

One week old embryo can be preserved at

Assertion : Blood is colourless in the insects. Reason : Insect blood has no role in transport. [AIIMS 1994]

Error catastrophe theory was propounded by

Order primata contains [CPMT 2001]

Which one of these is an in-situ method of conservation [Kerla CET 2005]

A characteristic showing continuous variation is controlled by a

Which of the true for national parks [Orissa JEE 2004]

From which of the following LSD is obtained

Reticular connective tissue is found in

Composited manure is formed from

Assertion : Schizogony is an asexual reproduction of female Anopheles mosquito. Reason : It takes place only in human liver cells.

Cheese and Yoghurt are products of the process [MP PMT 1994, 2003]

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : SCID is a primary immunodeficiency. Reason : It is a serious congenital immunodeficiency.

Assertion : The archegonia of Funaria are arranged into a terminal cluster. Reason : The archegonial cluster is surrounded by perigonial leaves.

Vegetal hemisphere of egg consists of [MP PMT 2000]

Inexhaustible but limited source of energy is

Assertion : mRNA attaches to ribosome through its 3' end. Reason : The mRNA has F-capsular nucleotide and bases of lagging sequence. [AIIMS 2002]

Assertion : Spermathecae are the main part of reproductive system of annelida. Reason : Spermathecae help in sperm transfer.

Assertion : Polyploidy in plant is common. Reason : Animals composed entirely of polyploid cells are rare.

Which of the following is known as living fossil [MP PMT 2001, 03]

Rabbit belongs to the order [CBSE PMT 1991]

Honey bee is of greatest use to man due to which reason [CPMT 1996]

Assertion : It was cyanobacteria-like organism which in ancient time added oxygen to the atmosphere. Reason : Cyanobacteria was photo-autotrophic.

Read the assertion and reason carefully: Assertion : Tyloses plug the tracheids and vessels. Reason : Tyloses are in growths of xylem cells.

Human body regularly loses cells in the region of

Which element plays an important role in nitrogen fixation? [CBSE PMT 1995]

The first natural insecticides discovered by chinese was

Tropical plant like sugarcane show high efficiency of\[C{{O}_{2}}\]fixation because of [BHU 1978, 82; MP PMT 1986, 87, 90]

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Smokers are prone to coronary heart disease. Reason : Smoking increases high density lipoproteins.

"National Institute of Oceanography" is situated at [DPMT 1986]

One functional unit of gene which specifies synthesis of one polypeptide is known as [DPMT 1985; BHU 1991; MP PMT 2001]

Read the assertion and reason carefully: Assertion : A plant having unisexual flowers are called dioecious. Reason : Mango is a polygamous plant.

Biogeochemical cycles can be traced in

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Adenoma is a sarcoma. Reason : Adenoma is located in the adipose tissue.

The process which the yeast cells perform is called [DPMT 1992]

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Tetanus can be diagnosed by Mantoux test. Reason : In Mantoux test, the dye gives colour to tetanospasmin.

Assertion : Neurons are said to possess the property of excitability. Reason : Neurons can get excited by a given stimulus.

Assertion : Initiation step of protein synthesis in prokaryotes and eukaryotes has several differences. Reason : They both form mRNA - tRNA complex with smaller subunit of ribosome.

Assertion : The primary protonema of moss by death and decay of cells may break into fragments. Reason : Each fragment gives rise to leafy gametophyte.

Apart from mammals, other group of animals maintaining a high and constant body temperature is [DPMT 1983]

Assertion : Funaria multiplied vegetatively by means of bulbils. Reason : Bulbils and tubers are two different structures.

Assertion : There is no chance of malaria to a man on the bite of male Anopheles mosquito. Reason : It carries a non-virulant strain of Plasmodium. [AIIMS 1998]

Read the assertion and reason carefully: Assertion : The two cotyledons in seed are embryonic leaves. Reason : The embryo contains radicle and plumule. [AIIMS 2002]