Explore topic-wise MCQs in NEET.

This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.

4601.

Which of the following drup fruit produces oily endosperm

A. Mango
B. Cocos nucifera
C. Both a and b
D. None of the above
Answer» C. Both a and b
4602.

Which part of Arachis hypogea is used for preparation of vegetable ghee

A. Husk of fruit
B. Cake of seed
C. Oil of seeds
D. None of the above
Answer» D. None of the above
4603.

Oil of peppermint is

A. Liquid at room temperature
B. Solid at room temperature
C. Semisolid at room temperature
D. None of the above
Answer» C. Semisolid at room temperature
4604.

Fatty oils are of

A. Drying type
B. Semidrying type
C. Non-drying type
D. All the above
Answer» E.
4605.

Which of the oil is very useful for preparation of soap of washing cloths

A. Brassica rapa
B. Madhuca indica
C. None of the above
D. Melia
Answer» C. None of the above
4606.

Which of the oils are hydrocarbons

A. Fatty oils
B. Essential oils
C. Both a and b
D. None of the above
Answer» D. None of the above
4607.

The nuclear spindle consists of [MP PMT 1995, 98]

A. One type of fibre
B. Two types of fibres
C. Three types of fibres
D. Four types of fibres
Answer» D. Four types of fibres
4608.

Karyolymph is a [Pb. PMT 2000]

A. Nuclear sap
B. SPM membrane
C. Nuclear pore
D. None of these
Answer» B. SPM membrane
4609.

The telomeres of eukaryotic chromosomes consist of short sequences of [CBSE PMT 2004]

A. Adenine rich repeats
B. Guanine rich repeats
C. Thymine rich repeats
D. Cytosine rich repeats
Answer» C. Thymine rich repeats
4610.

The term 'nucleolus' was coined by [AFMC 2001]

A. R. Brown
B. H. Hooks
C. Bowman
D. Hanstein
Answer» D. Hanstein
4611.

The part which does not take strain amongst the following is [CPMT 1993]

A. Chromatid
B. Centromere
C. Chromatin
D. Chromomere
Answer» C. Chromatin
4612.

Identify the correct match between types of chromosomes and their descriptions Chromosomes Position of centromere A. Metacentric 1. At the tip B. Submetacentric 2. Almost near the tip C. Acrocentric 3. At the middle D. Telocentric 4. Slightly away from the middle Description [Kerala PMT 2004]

A. A-1, B-3, C-2, D-4
B. A-4, B-3, C-2, D-1
C. A-1, B-2, C-3, D-4
D. A-4, B-3, C-1, D-2
E. A-3, B-4, C-2, D-1
Answer» F.
4613.

Centromere may also be called as

A. Centriole
B. Locus
C. Satellite body
D. Primary constriction
Answer» E.
4614.

Autosome is

A. Achromatic
B. Sex chromosome
C. Chromosome other than sex chromosome
D. Not a chromosome
Answer» D. Not a chromosome
4615.

Structure present over the chromosomes is [MP PMT 1995]

A. Nucleolus
B. Centromere
C. Centrosome
D. Golgi complex
Answer» C. Centrosome
4616.

The arrangement of genes on chromosomes is [CPMT 1980]

A. Linear
B. Ovoid
C. Diffused
D. Spiral
Answer» B. Ovoid
4617.

Minimum number of chromosomes are present in

A. Haplopappus
B. Helianthus
C. Tagetus
D. Lotus
Answer» B. Helianthus
4618.

Tips of chromosome are called [MP PMT 1999; CPMT 1978; DPMT 1990]

A. Centromere
B. Chromomere
C. Telomere
D. Metamere
Answer» D. Metamere
4619.

Heterosome is called

A. Somatic chromosome
B. B chromosome
C. Sex chromosome
D. Giant chromosome
Answer» D. Giant chromosome
4620.

Basic structure of chromatin is composed of [MP PMT 1999, 2001]

A. Non-histone proteins wrapped around DNA
B. Histone proteins wrapped around DNA
C. RNA wrapped around histones
D. DNA wrapped around histones
Answer» C. RNA wrapped around histones
4621.

A tetrad consists of [MP PMT 1993]

A. Four non-homologous chromatids
B. Four non-homologous chromosomes
C. Two sets of homologous chromosomes, each with two chromatids
D. Four homologous pairs of chromosomes
Answer» D. Four homologous pairs of chromosomes
4622.

Centromere is concerned with [BHU 1980; CBSE PMT 2005]

A. Splitting of chromosomes
B. Formation of spindle fibres
C. Movement of chromosomes to poles
D. Duplication of DNA
Answer» D. Duplication of DNA
4623.

In a cell that is not dividing, the chromosomes are visible as a tangle of fine threads called [MP PMT 1993]

A. Microtubules
B. Chromatin
C. Microfilaments
D. Nucleotin
Answer» C. Microfilaments
4624.

Spindle fibres attach to chromosomes at their [MP PMT 1993; Pb. PMT 2000]

A. Telomeres
B. Chromomeres
C. Kinetochores
D. Centromeres
Answer» D. Centromeres
4625.

Chromosomes always exist [AMU 1990]

A. In pairs
B. In association with mitochondria
C. Singly
D. None of these
Answer» D. None of these
4626.

The beaded appearance of chromosome is known as

A. Centromere
B. Chromomere
C. Centriole
D. Centrosphere
Answer» C. Centriole
4627.

Nuclear material without nuclear membrane is observed in [MP PMT 1994]

A. Bacteria and green algae
B. Cyanobacteria and red algae
C. Bacteria and cyanobacteria
D. Mycoplasmas and green algae
Answer» D. Mycoplasmas and green algae
4628.

Four different types of chromosomes but of the same size are serialized as [MP PMT 1995]

A. Telocentric, metacentric, acrocentric, submetacentric
B. Metacentric, acrocentric, submetacentric, telocentric
C. Metacentric, submetacentric, acrocentric, telocentric
D. Metacentric, telocentric, acrocentric, submetacentric
Answer» D. Metacentric, telocentric, acrocentric, submetacentric
4629.

A chromosome having sub-terminal centromere is called [MP PMT 1997]

A. Telocentric
B. Acrocentric
C. Metacentric
D. Sub-metacentric
Answer» C. Metacentric
4630.

Kinetochore is present in

A. Mitochondria
B. Chromosomes
C. Lysosomes
D. Sphaerosomes
Answer» C. Lysosomes
4631.

Supercoiled structure of eucaryotic chromosome is explained by

A. Taylor model
B. Freese-Taylor model
C. Nucleosome model
D. Nebel model
Answer» D. Nebel model
4632.

Spindle chromosomes have [CBSE PMT 2000]

A. Centriole
B. Kinetochore
C. Chromocentre
D. Chromomere
Answer» C. Chromocentre
4633.

L-shaped chromosomes are called [MP PMT 1999; BHU 2004]

A. Sex chromosome
B. Acrocentric
C. Telocentric
D. Sub-metacentric
Answer» E.
4634.

Minimum haploid numbers of chromosomes in plant kingdom [RPMT 1999]

A. 3
B. 2
C. 1
D. 4
Answer» C. 1
4635.

In which kind of study is banding done [MP PMT 2002]

A. Creation of new species
B. Production of disease resistant variety
C. Mapping of chromosomes
D. Artificial pollination
Answer» D. Artificial pollination
4636.

The function of nucleolus is the synthesis of  [MP PMT 1994, 97; CPMT 2001]

A. DNA
B. m-RNA
C. r-RNA
D. t-RNA
Answer» D. t-RNA
4637.

Pars granulosa of nucleoplasm is made up of [AMU 2005]

A. DNA
B. RNA
C. Protein
D. Protein and carbohydrate
Answer» D. Protein and carbohydrate
4638.

The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is [Pb. PMT 2004]

A. Single layered with pores
B. Single layered without pores
C. Double layered with pores
D. Double layered without pores
Answer» D. Double layered without pores
4639.

Which of the following is not contained in a eukaryotic nucleus [MHCET 2002]

A. Nucleosome
B. Nucleolus
C. Chromatin
D. Circular DNA molecules
Answer» E.
4640.

Nucleus is enclosed in [MP PMT 1997]

A. Double and non-porous layer
B. Double and porous layer
C. Single and non-porous layer
D. Single and porous layer
Answer» C. Single and non-porous layer
4641.

Which of the following regulates and governs the physiological processes of the cell   [CPMT 1975]

A. Protoplast
B. Nucleolus
C. Mitochondria
D. Nucleus
Answer» E.
4642.

The condition when a large number of nucleus are found due to the absence of cytpolasmic division (which happens after telophase stage). This condition are called [AMU 2005]

A. Polyploidy
B. Syncytium
C. Heterokaryon
D. None of these
Answer» C. Heterokaryon
4643.

Nucleoproteins in a cell are synthesized in [CBSE PMT 1989]

A. Outside the nucleolus
B. Nucleoplasm
C. Nuclear membrane
D. Nucleolus
Answer» B. Nucleoplasm
4644.

In which of the following places messenger RNA is formed in a living cell

A. Inside mitochondria
B. Inside nucleolus
C. Inside nucleus but outside nucleolus
D. Inside endoplasmic reticulum
Answer» D. Inside endoplasmic reticulum
4645.

Study of nuclear cytology is called [JIPMER 1993]

A. Neurology
B. Karyology
C. Mycology
D. Rhinology
Answer» C. Mycology
4646.

Pore size of nuclear membrane is

A. \[\text{100}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
B. \[\text{200}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
C. \[\text{300}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
D. \[\text{400}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
Answer» E.
4647.

Nucleolemma is a part of

A. Nuclear membrane
B. Nuclear reticulum
C. Nucleolus
D. Nucleoplasm
Answer» E.
4648.

In nucleoplasm, a conspicuous body of spherical shape attached to a particular chromosome on a definite position is called [AIIMS 1998]

A. Plasmid
B. Karyolymph
C. Nucleolus
D. Nuclear reticulumg
Answer» D. Nuclear reticulumg
4649.

Width of perinuclear space is

A. \[\text{30}\,\,\text{to}\,\,\text{50}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
B. \[\text{50}\,\,\text{to}\,\,\text{80}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
C. \[\text{100}\,\,\text{to}\,\,\text{300}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
D. \[\text{300}\,\,\text{to}\,\,\text{1000}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
Answer» D. \[\text{300}\,\,\text{to}\,\,\text{1000}\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
4650.

What will happen if nucleus is removed

A. The metabolism will increase
B. The cell will die
C. The metabolism will decrease
D. None of the above
Answer» C. The metabolism will decrease