NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 13 Sample Test,Sample questions

Question:
A phosphodiester bond is present in

1.Nucleic acids in a nucleotide

2.Monosaccharides in a polysaccharide

3.Amino acids in a polypeptide

4.Fatty acids in a diglyceride

Posted Date:-2021-02-22 01:42:28


Question:
A protein complex; that links sister chromatids; is

1.actin

2. cohesin

3.myosin

4. actomyosin

Posted Date:-2021-02-22 01:42:28


Question:
A vector that can clone only a small DNA fragment is

1.cosmid

2.plasmid

3. Yeast artificial chromosome

4.Bacterial artificial chromosome

Posted Date:-2021-02-22 01:42:28


Question:
An organism that forms a symbiotic association with Anthoceros

1.Spirogyra

2.Nostoc

3.Ulothrix

4.All of the above

Posted Date:-2021-02-22 01:42:28


Question:
Anthocyanin pigments are

1. water-insoluble and located in chromoplasts

2.water-soluble and located in chloroplasts

3.water-soluble and located in vacuoles

4.water-insoluble and located in vacuoles

Posted Date:-2021-02-22 01:42:28


Question:
Antibodies are secreted by

1.adipose cells

2.reticular cells

3.plasma cells

4.mast cells

Posted Date:-2021-02-22 01:42:28


Question:
 A single-stranded; radiolabelled molecule of nucleic acids is called

1.plasmid

2.vector

3.probe

4.selectable marker

Posted Date:-2021-02-22 01:42:28


Question:
 Antibiotics are used in genetic engineering. They are useful

1.to keep culture free of microbial infections

2. to select healthy vectors

3. to identify replication start sites

4.as selectable markers

Posted Date:-2021-02-22 01:42:28


Question:
 Cell division occurring during cleavage

1.meiosis

2.mitosis

3.amitosis

4. closed mitosis

Posted Date:-2021-02-22 01:42:28


Question:
 Chloroplast does not contain

1.xanthophyll

2.anthocyanin

3.carotene

4.chlorophyll ‘b’

Posted Date:-2021-02-22 01:42:28


Question:
 Early prophase of a diploid cell has_____ sets of chromosomes; telophase of a diploid cell has ____ sets of chromosomes

1. 1;2

2. 2;1

3. 2;2

4. 1;1

Posted Date:-2021-02-22 01:42:28


Question:
 Formation of cell plate starts at

1.G2 phase

2. prophase

3. telophase

4. S phase

Posted Date:-2021-02-22 01:42:28


Question:
 Which of the following pigment is present in carrots?

1.𝝱-carotene

2. lycopene

3. lutein

4.fucoxanthin

Posted Date:-2021-02-22 01:42:28


Question:
Blue-green algae are included in

1.Prokaryotes

2.Protista

3.Fungi

4.Bryophytes

Posted Date:-2021-02-22 01:42:28


Question:
Colchicine arrests cell division at

1.interphase

2. prophase

3.metaphase

4. anaphase

Posted Date:-2021-02-22 01:42:28


Question:
Collagen is

1.carbohydrate

2.lipid

3.fibrous protein

4.globular protein

Posted Date:-2021-02-22 01:42:28


Question:
Colour of tomato changes from green to red due to

1.chromoplast gets converted to the chloroplast

2.chromoplast disappears and chloroplast is formed

3.chloroplast gets converted to chromoplast

4.chloroplast disappears and chromoplast is formed

Posted Date:-2021-02-22 01:42:28


Question:
Coloured portion of the nostoc cell is

1.genophore

2. inner centroplasm

3.outer chromoplasm

4.central body

Posted Date:-2021-02-22 01:42:28


Question:
Cyanobacteria are

1. oxygenic without nitrogenase

2. non-oxygenic without nitrogenase

3.oxygenic with nitrogenase

4.non-oxygenic with nitrogenase

Posted Date:-2021-02-22 01:42:28


Question:
DNA synthesis takes place during_________ phase

1.M phase

2.G2 phase

3.G1 phase

4.S phase

Posted Date:-2021-02-22 01:42:28


Question:
Find the correct statement

1.Areolar tissue is a loose connective tissue

2.Tendon is a specialized connective tissue

3.Cartilage is a loose connective tissue

4.Adipose tissue is a dense connective tissue

Posted Date:-2021-02-22 01:42:28


Question:
Find the correct statement

1.Paramecium; Penicillium and Plasmodium belong to the same kingdom

2.Nostoc and Anabaena come under Protista

3.lichen is a symbiotic association of an alga and Protozoan

4. Yeast is a fungus and is used in bread and beer production

Posted Date:-2021-02-22 01:42:28


Question:
Find the incorrect statement about plasmids

1.they are circular

2.they replicate independently

3. they are transferrable

4.they are single stranded

Posted Date:-2021-02-22 01:42:28


Question:
Heterocyst of Nostoc are

1.intercalary

2.terminal

3. both terminal and intercalary

4. none

Posted Date:-2021-02-22 01:42:28


Question:
Histamine is secreted by

1.histiocytes

2.lymphocytes

3. fibroblasts

4. mast cells

Posted Date:-2021-02-22 01:42:28


Question:
If you want to count the number of chromosomes; which is the best stage to do so?

1. telophase

2. interphase

3.prophase

4.metaphase

Posted Date:-2021-02-22 01:42:28


Question:
In comparison to human erythrocytes; frog’s erythrocytes are

1.smaller and fewer

2.nucleated and without haemoglobin

3.enucleated but with haemoglobin

4.nucleated and with haemoglobin

Posted Date:-2021-02-22 01:42:28


Question:
In which of the following organelle; peptide synthesis takes place?

1.ribosomes

2.chromoplasts

3.chloroplasts

4.mitochondria

Posted Date:-2021-02-22 01:42:28


Question:
If the plasmid and the foreign DNA are cut by the same restriction endonuclease; recombinant DNA can be formed by joining both by

1.Polymerase III

2. EcoRI

3. Ligase

4.Taq polymerase

Posted Date:-2021-02-22 01:42:28


Question:
Ligament is

1.modified yellow elastic fibrous tissue

2. inelastic white fibrous tissue

3.modified white fibrous tissue

4.none of the above

Posted Date:-2021-02-22 01:42:28


Question:
Mast cells contain

1.heparin and histamine

2.heparin and calcitonin

3.serotonin and melanin

4. vasopressin and relaxin

Posted Date:-2021-02-22 01:42:28


Question:
Mitotic anaphase and metaphase have

1. chromosomes are halved at anaphase

2. chromatids are halved at anaphase

3. the same number of chromosomes and chromatids

4.both chromosomes and chromatids are halved at anaphase

Posted Date:-2021-02-22 01:42:28


Question:
Nostoc form

1.compound colony

2.simple colony

3.both (a) and (b)

4.None of these

Posted Date:-2021-02-22 01:42:28


Question:
Nucleolus and endoplasmic reticulum start disappearing at

1.late prophase

2.early prophase

3.late metaphase

4.early metaphase

Posted Date:-2021-02-22 01:42:28


Question:
Peptidoglycan present in the cartilage is

1.ossein

2. chondroitin

3.cartilagin

4.casein

Posted Date:-2021-02-22 01:42:28


Question:
Protein storing plastid is

1.chromoplast

2. elaioplast

3.amyloplast

4. aleuroplast

Posted Date:-2021-02-22 01:42:28


Question:
Replication of plasmid DNA other than initiation is controlled by

1.bacterial gene

2.mitochondrial gene

3. plasmid DNA

4.none of these

Posted Date:-2021-02-22 01:42:28


Question:
Sexual reproduction is absent in

1. Volvox

2. Nostoc

3. Aspergillus

4.Ulothrix

Posted Date:-2021-02-22 01:42:28


Question:
The DNA molecule used for integrating foreign gene for cloning is called

1.vector

2.carrier

3. template

4. transformer

Posted Date:-2021-02-22 01:42:28


Question:
The largest extracellular material present in the

1. Stratified epithelium

2.Striated muscle

3.Myelinated nerve fibres

4.Areolar tissue

Posted Date:-2021-02-22 01:42:28


Question:
The Ti plasmid is found in

1. Agrobacterium

2.Yeast as a 2mm plasmid

3. Rhizobium of the roots of leguminous plants

4.Azotobacter

Posted Date:-2021-02-22 01:42:28


Question:
Tip of the nose and external ears have

1.areolar tissue

2.ligament

3.cartilage

4.bone

Posted Date:-2021-02-22 01:42:28


Question:
Uridine present in RNA is

1. nucleotides

2.pyrimidine

3.purine

4.nucleoside

Posted Date:-2021-02-22 01:42:28


Question:
Where does spindle fibres attach to during metaphase?

1.kinetochore of the chromosome

2.kinetosome of the chromosome

3.centromere of the chromosome

4. telomere of the chromosome

Posted Date:-2021-02-22 01:42:28


Question:
Which of the angiosperm contains Nostoc as an endophyte?

1.Gunnera manicata

2.Arachis hypogea

3.Melia indica

4.None of the above

Posted Date:-2021-02-22 01:42:28


Question:
Which of the following pigment impart a red colour to tomato?

1.erythrocyanin

2.anthocyanin

3.𝝱-carotene

4. lycopene

Posted Date:-2021-02-22 01:42:28


Question:
Which of the following plastid doesn’t store food?

1.aleuroplasts

2. amyloplasts

3.chromoplasts

4.elaioplasts

Posted Date:-2021-02-22 01:42:28


Question:
Which of the following plastid is found in ripe fruits?

1.chromoplast

2.chloroplast

3.leucoplast

4. amyloplast

Posted Date:-2021-02-22 01:42:28


Question:
Which of the following structure contains a polar nodule on both ends

1.heterocyst

2. hormogonia

3.akinetes

4.None of the above

Posted Date:-2021-02-22 01:42:28


Question:
Which of the plastid(s) contains carotenoids?

1. leucoplast

2.chloroplast

3.chromoplast

4.both (b) and (c)

Posted Date:-2021-02-22 01:42:28


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