14620 + Mcqs in Biology Page 228 McqOptions

11351.	Assertion : A parasitic disease elephantiasis can be identified with enormous growth in different body parts specially in limbs. Reason : Elephantiasis is caused by the excess secretion of growth hormone.
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

11352.	Fatty acid syndrome due to alcoholism is called
A.	Nephritis
B.	Gastritis
C.	Neuritis
D.	Cirrhosis
Answer» E.

Discussion

11353.	Pyrenoids are made up of [CBSE PMT 1995; RPMT 1995]
A.	Core of starch surrounded by sheath of protein
B.	Core of protein surrounded by fatty sheath
C.	Proteinaceous centre and starchy sheath
D.	Core of nucleic acid surrounded by protein sheath
Answer» D. Core of nucleic acid surrounded by protein sheath

Discussion

11354.	IAA stands for
A.	Indole-3-acetic anhydride
B.	Indole-3-acetic acid
C.	Indole-3-acetic acetate
D.	Indole-3-acetoacetic acid
Answer» C. Indole-3-acetic acetate

Discussion

11355.	Mammalian eggs have [CPMT 1973]
A.	No yolk at all
B.	Small amount of yolk
C.	Large amount of yolk
D.	Large amount of yolk concentrated at one pole
Answer» B. Small amount of yolk

Discussion

11356.	Match List I and List II and select the correct answer using the code given below the lists List I List II 1. Microtubules Structural components of cilia 2. Centrioles Store hydrolytic enzymes 3. Peroxisomes Store oil protein and starch in plants [MP PMT 1993]
A.	1, 2 and 3 are correct
B.	1 and 2 are correct, 3 is false
C.	1 is correct, 2 and 3 are false
D.	1 and 3 are correct, 2 is false
Answer» D. 1 and 3 are correct, 2 is false

Discussion

11357.	Corpora bigemina is not present in
A.	Frog
B.	Snake
C.	Birds
D.	Rabbit
Answer» E.

Discussion

11358.	Which of the following participates in the manufacturing of dextrans
A.	Lactobacillus
B.	Leuconostoc
C.	Pseudomonas
D.	Mucor
Answer» C. Pseudomonas

Discussion

11359.	Which of the following means endemic
A.	Indigenous
B.	Exotic
C.	Ubiquitous
D.	Naturalized
Answer» B. Exotic

Discussion

11360.	Assertion : Nepenthes khasiana is a carnivorous plant. Reason : Leaves highly specialised to catch insects in carnivorous 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

11361.	One of the most commonly detected inhibitor of germination is [JIPMER 2002]
A.	Gibberellic acid
B.	Abscisic acid
C.	Pantothenic acid
D.	Tartaric acid
Answer» C. Pantothenic acid

Discussion

11362.	Fishes are [RPMT 1999]
A.	Homoiothermic
B.	Poikilothermic
C.	Both (a) and (b)
D.	None of these
Answer» C. Both (a) and (b)

Discussion

11363.	Ageing is process which takes place in
A.	Non-living
B.	Dead
C.	Living
D.	None of the above
Answer» D. None of the above

Discussion

11364.	The most important foods are derived from [CPMT 1987]
A.	Roots
B.	Fruits
C.	Stem
D.	Leaves
Answer» C. Stem

Discussion

11365.	Select the correct statement [Orissa PMT 2002]
A.	Cleavage follows gastrulation
B.	Yolk content of egg has no role in cleavage
C.	Cleavage is repeated mitotic division of zygote
D.	Gastrulation & blastulation are followed by each other
Answer» D. Gastrulation & blastulation are followed by each other

Discussion

11366.	A clove represents a [BHU 1982, 84, 90; MP PMT 1990, 96; AIIMS 2001]
A.	Terminal bud
B.	Accessory bud
C.	Flower bud
D.	Vegetative bud
Answer» D. Vegetative bud

Discussion

11367.	Finger millet belongs to genus
A.	Eleusine
B.	Penicum
C.	Triticum
D.	None of the above
Answer» B. Penicum

Discussion

11368.	\[{{C}_{4}}\]plants are adapted to [AIIMS 1984, BHU 2002]
A.	Hot and dry climate
B.	Temperate climate
C.	Cold and dry climate
D.	Hot and humid climate
Answer» B. Temperate climate

Discussion

11369.	Members of family Crassulaceae perform [MHCET 2004]
A.	\[{{C}_{3}}\] photosynthesis
B.	CAM photosynthesis
C.	\[{{C}_{4}}\]photosynthesis
D.	All of the above
Answer» C. \[{{C}_{4}}\]photosynthesis

Discussion

11370.	Which of the following birds cannot fly [CPMT 1980]
A.	Peacock
B.	Duck
C.	Emu
D.	Stork
Answer» D. Stork

Discussion

11371.	Zona pellucida of mammalian egg serves which of the following purpose
A.	Maintains normal cleavage of the egg
B.	Prevents egg fusion
C.	Prevents polyspermy
D.	All the above
Answer» B. Prevents egg fusion

Discussion

11372.	Characteristic features such as four-chambered heart, feather and pneumatic bone is applicable to the class of vertebrate [Orissa JEE 2002]
A.	Cyclostomata
B.	Aves
C.	Reptilia
D.	Mammals
Answer» C. Reptilia

Discussion

11373.	Major foreign exchange earner for are India is [AFMC 2003]
A.	Tea
B.	Coffee
C.	Rice
D.	Wheat
Answer» B. Coffee

Discussion

11374.	Which of the following satisfies the basic requirement of carbohydrate, protein, fat and vitamin in human diet to a greater extent
A.	Wheat
B.	Gram
C.	Pea nut
D.	Soybean
Answer» D. Soybean

Discussion

11375.	Assertion : Presence of tooth is the most important feature of mammals. Reason : The great anteater has no teeth.
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

11376.	Which of the following hormone is produced during leaf fall [CPMT 1998]
A.	ABA
B.	Cytokinin
C.	Florigen
D.	All of the above
Answer» B. Cytokinin

Discussion

11377.	The main source of food and fodder is [MP PMT 2003]
A.	Lichen
B.	Cereals
C.	Fungus
D.	Cotton
Answer» C. Fungus

Discussion

11378.	Assertion : The digestive system is undifferentiated in lampreys. Reason : All digestive glands are present in the digestive glands of lampreys.
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

11379.	Which of the following is incorrectly paired [Kerala CET 2005]
A.	Sry-gene-X-chromosome
B.	2n-2-nullisomic
C.	Nucleoid prokaryote
D.	Polytene chromosome-Drosophila
E.	Trisomy-Down?s syndrome
Answer» B. 2n-2-nullisomic

Discussion

11380.	Assertion : \[{{C}_{4}}\]pathway of\[C{{O}_{2}}\]fixation is found in some tropical plants. Reason : In this pathway \[C{{O}_{2}}\]is fixed by 3C compound [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» C. If the assertion is true but the reason is false

Discussion

11381.	Which one of the following is egg-laying mammal [RPMT 2001; MP PMT 2001]
A.	Pangolin
B.	Tachyglossus
C.	Porcupine
D.	Bat
Answer» C. Porcupine

Discussion

11382.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : In human being, growth is differential. Reason : Growth is rapid during pre-natal and puberty period, while it is slow during juvenile and post-adolescent period.
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

11383.	Beadle and E.L. Tatum performed classical experiment on Neurospora crassa to explain [BVP 2004]
A.	One gene produce one enzyme
B.	One enzyme can correct one gene
C.	Both (a) and (b)
D.	None of these
Answer» B. One enzyme can correct one gene

Discussion

11384.	Which of the following is an exotic breed of cow
A.	Deoni
B.	Holstein
C.	Hallikar
D.	Tharparkar
Answer» C. Hallikar

Discussion

11385.	The person who discovered 'Y' chromosomes was
A.	Mc Carthy
B.	Mc Clung
C.	Gregor Mendel
D.	Netti Stevens
Answer» D. Netti Stevens

Discussion

11386.	The important energy resource which originate from photosynthetic activity of green plants is
A.	Dendrothermal
B.	Biogas
C.	Tidal energy
D.	Both a and b
Answer» E.

Discussion

11387.	Smallest structure having the power of replicating itself is [CPMT 1978]
A.	Chloroplast
B.	Gene
C.	Mitochondria
D.	Ribosome
Answer» C. Mitochondria

Discussion

11388.	Nagpuri buffalo is a [KCET 1997]
A.	Dual purpose animal
B.	Milker
C.	Draught cattle
D.	All the above
Answer» C. Draught cattle

Discussion

11389.	'Blood cancer' is also known as [DPMT 1992; CBSE PMT 1995]
A.	Leucopenia
B.	Leucoderma
C.	Leucocytosis
D.	Leukemia
Answer» E.

Discussion

11390.	What are the most diversed molecules in the cell [MP PMT 2000]
A.	Lipids
B.	Proteins
C.	Carbohydrates
D.	Mineral salts
Answer» C. Carbohydrates

Discussion

11391.	The branch of biology dealing with the process of improvement of human race by selective breeding is called [AIIMS 1997]
A.	Euthenics
B.	Eugenics
C.	Euphenics
D.	Obstetrics
Answer» C. Euphenics

Discussion

11392.	In spiral cleavage turn of spiral may be
A.	Clockwise
B.	Anticlockwise
C.	[a] and [b] both
D.	None of these
Answer» D. None of these

Discussion

11393.	Freshwater bony fishes maintain water balance by [BHU 2002]
A.	Excreting hypotonic urine
B.	Excreting salt across their gills
C.	Drinking small amount of water
D.	Excreting waste in the form of uric acid
Answer» B. Excreting salt across their gills

Discussion

11394.	The transgenic animals are those which have [CBSE PMT 1995]
A.	Foreign DNA in some of its cells
B.	Foreign DNA in all its cells
C.	Foreign DNA and RNA in some of its cells
D.	Foreign DNA and RNA in all its cells
Answer» C. Foreign DNA and RNA in some of its cells

Discussion

11395.	Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Charas is a psychoactive drug. Reason : Charas contains THC of 25 to 60%.
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» B. If both assertion and reason are true but reason is not the correct explanation of the assertion.

Discussion

11396.	Rennet is used in [Bihar MDAT 1987; MP PMT 2002]
A.	Fermentation
B.	Cheese making
C.	Bread making
D.	Synthesis of antibiotic
Answer» C. Bread making

Discussion

11397.	Assertion : In case of deficiency, recessive allele may show pseudodominance. Reason : It occurs generally in absence of its dominant allele.
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

11398.	Juvenile and adult plants are
A.	Morphologically different
B.	Physiologically same
C.	[a] and [b] both
D.	None of the above
Answer» B. Physiologically same

Discussion

11399.	Assertion : Xylem of gymnosperms consists of tracheids and no vessels. Reason : Phloem of gymnosperms consists of phloem parenchyma, companion cells and sieve tubes.
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

11400.	Relative morphologies of chromosomes of an individual indicate his/her [MP PMT 1994]
A.	Genotype
B.	Phenotype
C.	Pedigree chart
D.	Karyotype
Answer» E.

Discussion

Explore topic-wise MCQs in NEET.

Assertion : A parasitic disease elephantiasis can be identified with enormous growth in different body parts specially in limbs. Reason : Elephantiasis is caused by the excess secretion of growth hormone.

Fatty acid syndrome due to alcoholism is called

Pyrenoids are made up of [CBSE PMT 1995; RPMT 1995]

IAA stands for

Mammalian eggs have [CPMT 1973]

Match List I and List II and select the correct answer using the code given below the lists List I List II 1. Microtubules Structural components of cilia 2. Centrioles Store hydrolytic enzymes 3. Peroxisomes Store oil protein and starch in plants [MP PMT 1993]

Corpora bigemina is not present in

Which of the following participates in the manufacturing of dextrans

Which of the following means endemic

Assertion : Nepenthes khasiana is a carnivorous plant. Reason : Leaves highly specialised to catch insects in carnivorous plant.

One of the most commonly detected inhibitor of germination is [JIPMER 2002]

Fishes are [RPMT 1999]

Ageing is process which takes place in

The most important foods are derived from [CPMT 1987]

Select the correct statement [Orissa PMT 2002]

A clove represents a [BHU 1982, 84, 90; MP PMT 1990, 96; AIIMS 2001]

Finger millet belongs to genus

\[{{C}_{4}}\]plants are adapted to [AIIMS 1984, BHU 2002]

Members of family Crassulaceae perform [MHCET 2004]

Which of the following birds cannot fly [CPMT 1980]

Zona pellucida of mammalian egg serves which of the following purpose

Characteristic features such as four-chambered heart, feather and pneumatic bone is applicable to the class of vertebrate [Orissa JEE 2002]

Major foreign exchange earner for are India is [AFMC 2003]

Which of the following satisfies the basic requirement of carbohydrate, protein, fat and vitamin in human diet to a greater extent

Assertion : Presence of tooth is the most important feature of mammals. Reason : The great anteater has no teeth.

Which of the following hormone is produced during leaf fall [CPMT 1998]

The main source of food and fodder is [MP PMT 2003]

Assertion : The digestive system is undifferentiated in lampreys. Reason : All digestive glands are present in the digestive glands of lampreys.

Which of the following is incorrectly paired [Kerala CET 2005]

Assertion : \[{{C}_{4}}\]pathway of\[C{{O}_{2}}\]fixation is found in some tropical plants. Reason : In this pathway \[C{{O}_{2}}\]is fixed by 3C compound [AIIMS 1998]

Which one of the following is egg-laying mammal [RPMT 2001; MP PMT 2001]

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : In human being, growth is differential. Reason : Growth is rapid during pre-natal and puberty period, while it is slow during juvenile and post-adolescent period.

Beadle and E.L. Tatum performed classical experiment on Neurospora crassa to explain [BVP 2004]

Which of the following is an exotic breed of cow

The person who discovered 'Y' chromosomes was

The important energy resource which originate from photosynthetic activity of green plants is

Smallest structure having the power of replicating itself is [CPMT 1978]

Nagpuri buffalo is a [KCET 1997]

'Blood cancer' is also known as [DPMT 1992; CBSE PMT 1995]

What are the most diversed molecules in the cell [MP PMT 2000]

The branch of biology dealing with the process of improvement of human race by selective breeding is called [AIIMS 1997]

In spiral cleavage turn of spiral may be

Freshwater bony fishes maintain water balance by [BHU 2002]

The transgenic animals are those which have [CBSE PMT 1995]

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Charas is a psychoactive drug. Reason : Charas contains THC of 25 to 60%.

Rennet is used in [Bihar MDAT 1987; MP PMT 2002]

Assertion : In case of deficiency, recessive allele may show pseudodominance. Reason : It occurs generally in absence of its dominant allele.

Juvenile and adult plants are

Assertion : Xylem of gymnosperms consists of tracheids and no vessels. Reason : Phloem of gymnosperms consists of phloem parenchyma, companion cells and sieve tubes.

Relative morphologies of chromosomes of an individual indicate his/her [MP PMT 1994]