NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 12 Sample Test,Sample questions

Question:
 An outer membrane is not present in

1. lysosomes

2. mitochondria

3.plastid

4.nucleoli

Posted Date:-2021-02-22 01:39:04


Question:
 Asexual spores produced terminally on hyphae are called

1. Meiospores

2. Anthospores

3.Sporangiophores

4.Conidia

Posted Date:-2021-02-22 01:39:04


Question:
 Find the incorrect match

1.Nostoc – water blooms

2. Basidiomycetes – puffballs

3.Spirogyra – motile gametes

4.Sargassum – Chlorophyll

Posted Date:-2021-02-22 01:39:04


Question:
 In corolla length of Nicotiana longiflora, polygenic inheritance was studied by

1.Nilsson-Ehle

2.Joseph Kolreuter

3. E.M. East

4.Francis Galton

Posted Date:-2021-02-22 01:39:04


Question:
 Nucleoproteíns are synthesised in

1.cytoplasm

2.nucleoplasm

3.nuclear envelope

4.nucleolus

Posted Date:-2021-02-22 01:39:04


Question:
 Polygenes exhibit

1.Different phenotypes

2.Different genotypes

3.Similar genotypes and phenotypes

4.Both (a) and (b)

Posted Date:-2021-02-22 01:39:04


Question:
 Ribosomes are produced and assembled in

1. mitochondria

2. cytoplasm

3.nucleolus

4.Golgi apparatus

Posted Date:-2021-02-22 01:39:04


Question:
 Spirogyra reproduce sexually by

1.fragmentation

2.conjugation

3.somatogamy

4.akinetes formation

Posted Date:-2021-02-22 01:39:04


Question:
 The fruiting body (ascocarp) of Penicillium is

1.Apothecium

2.Cleistothecium

3.Perithecium

4. Acrostroma

Posted Date:-2021-02-22 01:39:04


Question:
 Traits which exhibit continuous phenotypic variation are typically determined by this inheritance form

1. incomplete dominance

2.polygene inheritance

3.multiple-allele inheritance

4.sex-linked inheritance

Posted Date:-2021-02-22 01:39:04


Question:
 Which of the components of nucleolus disappears during late prophase and reappears during telophase?

1. Nucleolus

2.Nucleoplasm

3.Chromosomes

4. Nuclear pore

Posted Date:-2021-02-22 01:39:04


Question:
 Which of the following can pass through a nuclear pore?

1.Ribosomal subunits

2.Mitochondria

3.mRNA

4.both (a) and (c)

Posted Date:-2021-02-22 01:39:04


Question:
 Which of the following is not true about Annelida?

1.Ventral nerve cord

2. Closed circulatory system

3.Segmentation

4. Pseudocoelom

Posted Date:-2021-02-22 01:39:04


Question:
Common characteristics of coelenterates and sponges are

1.triploblastic and pseudocoelomate

2.triploblastic and acoelomate

3.diploblastic and acoelomate

4. monoblastic and acoelomate

Posted Date:-2021-02-22 01:39:04


Question:
Filaments of fungi, which have thread-like appearance are called

1.Hyphae

2.Sporangium

3.Conidia

4.Mycorrhiza

Posted Date:-2021-02-22 01:39:04


Question:
Find the correct match

1.Molluscs – acoelomate

2. Platyhelminthes – coelomate

3. Aschelminthes – pseudocoelomate

4. Insects – pseudocoelomate

Posted Date:-2021-02-22 01:39:04


Question:
Find the incorrect statement

1.nucleoli are synthesised around nucleolar organizing regions

2. only one nucleolus is found in the nucleus

3.transcription of rDNA occurs in the fibrillar centre

4.nucleolus contains a high concentration of iron in various plant species

Posted Date:-2021-02-22 01:39:04


Question:
Formation of dikaryon is characteristic of

1.Phycomycetes

2. Basidiomycetes

3.Ascomycetes

4.Both (b) and (c)

Posted Date:-2021-02-22 01:39:04


Question:
How platyhelminthes differ from annelids?

1. bilateral symmetry

2.pseudocoel

3.body cavity is absent

4.none of the above

Posted Date:-2021-02-22 01:39:04


Question:
In Spirogyra, pyrenoids are present in

1.cell wall

2.cytoplasm

3. nucleus

4.chloroplast

Posted Date:-2021-02-22 01:39:04


Question:
Marriages between close relatives should be avoided as it causes more

1.Abnormalities in child birth

2.Mutations

3.Recessive alleles to come together

4.Multiple births

Posted Date:-2021-02-22 01:39:04


Question:
Morphan’s syndrome is as a result of

1.Polygene

2.Pseudogene

3.Modifier gene

4. Pleiotropic gene

Posted Date:-2021-02-22 01:39:04


Question:
No. of ascospores formed in each ascus of Penicillium is

1.4

2.8

3.12

4.16

Posted Date:-2021-02-22 01:39:04


Question:
Nucleoli were discovered by

1.Felice Fontana

2.Robert Hook

3.Robert Brown

4. Leeuwenhoek

Posted Date:-2021-02-22 01:39:04


Question:
One of the X chromosomes in females is inactivated by

1.environmental factors

2.enzymes coded for by mitochondrial DNA

3.number of dominant genes found on each X chromosome

4.epigenetic markers

Posted Date:-2021-02-22 01:39:04


Question:
Penicillium camemberti and Penicillium roqueforti are known for

1.causing disease to animals

2.causing disease to plants

3.imparting flavour to cheese

4. none of the above

Posted Date:-2021-02-22 01:39:04


Question:
Penicillium belongs to

1. Deuteromycetes

2.Phycomycetes

3.Ascomycetes

4. Basidiomycetes

Posted Date:-2021-02-22 01:39:04


Question:
Penicillium is used in the production of

1.antibiotics

2.cheese fermentation

3.both (a) and (b)

4. none of the above

Posted Date:-2021-02-22 01:39:04


Question:
Pick the correct statement

1.Pleiotropic genes exhibit single phenotype

2. Pleiotropy is caused by a gene that has multiple phenotypic effect

3.Lethal genes causes the appearance of ancestral characters

4.Sickle cell anemia is an example of multifactorial inheritance

Posted Date:-2021-02-22 01:39:04


Question:
Ribbon-shaped chloroplast is the characteristic feature of

1.Spirogyra

2.Chlamydomonas

3.Riccia

4.Ulothrix

Posted Date:-2021-02-22 01:39:04


Question:
Spirogyra belongs to which of the following classes?

1.Chlorophyceae

2.Phaeophyceae

3.Cyanophyceae

4.Rhodophyceae

Posted Date:-2021-02-22 01:39:04


Question:
Synthesis of ribosomes in prokaryotes occurs in

1.nucleus

2.nucleolus

3.cytosol

4. nucleoplasm

Posted Date:-2021-02-22 01:39:04


Question:
The body cavity found in echinoderms and chordates is

1. haemocoel

2.enterocoelom

3. pseudocoelom

4.schizocoelom

Posted Date:-2021-02-22 01:39:04


Question:
The characteristic feature of Ascaris is

1.pseudocoelom and no metamerism

2.true coelom and no metamerism

3.pseudocoelom and metamerism

4.true coelom and metamerism

Posted Date:-2021-02-22 01:39:04


Question:
The fluid that comes out of earthworm while piercing it (without damaging its gut) is

1.slimy mucous

2. excretory fluid

3.hemolymph

4. coelomic fluid

Posted Date:-2021-02-22 01:39:04


Question:
The ladder-like structure formed in Spirogyra is the result of

1.Asexual reproduction

2.Direct conjugation

3.Lateral conjugation

4.Scalariform conjugation

Posted Date:-2021-02-22 01:39:04


Question:
The main function of nucleolus is

1.Protein synthesis

2. ATP production

3. DNA synthesis

4. rRNA synthesis

Posted Date:-2021-02-22 01:39:04


Question:
The type of sexual reproduction in Spirogyra is

1.isogamous

2.anisogamous

3. oogamous

4.cleistogamous

Posted Date:-2021-02-22 01:39:04


Question:
When two or more nonallelic gene pairs affect the same character in the same way, it is called

1.pleiotropy

2. polygenic inheritance

3.additive expressivity

4.total penetrance

Posted Date:-2021-02-22 01:39:04


Question:
Where does true coelom present in the body?

1.between mesoderm and endoderm (body wall)

2.between body wall and ectoderm

3.mesoderm and ectoderm

4.ectoderm and endoderm

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following are synthesised in the nucleolus?

1. tRNA

2. rRNA

3. DNA

4. all of the above

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following develops into pseudocoelom?

1. Archenteron

2.Blastocoel

3.Embryonic mesoderm

4.Blastopore lip

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following does not have a sexual mode of reproduction?

1. Volvox

2.Spirogyra

3.Nostoc

4. Ulothrix

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following gene helps in identifying transformed cells?

1.plasmid

2.selectable marker

3. structural gene

4. vector

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following has haemocoel?

1. Earthworm

2.Hydra

3.Cockroach

4. Nereis

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following is also known as pond silk

1.Ulothrix

2. Spirogyra

3. Nostoc

4.Anabaena

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following is false about Spirogyra?

1.nucleolus is complex

2. heterothallism

3.each chloroplast contains a single pyrenoid

4.chromosomes are polycentric

Posted Date:-2021-02-22 01:39:04


Question:
Which of the following is true about conidiophores of Penicillium?

1.binucleate and colourless

2.binucleate and pigmented

3. multicellular and branched

4.Uninucleate and colourless

Posted Date:-2021-02-22 01:39:04


Question:
Which of these illustrates pleiotropy?

1. Matings between earless sheep and long eared sheep always result in short eared offspring

2.Human cystic fibrosis causes many symptoms from respiratory distress to digestive problems

3.Wheat kerneis can range from white to red in color, a trait governed by multiple genes

4.The genes for scarlet eyes and hairy body in fruit flies are located on the same chromosome

Posted Date:-2021-02-22 01:39:04


Question:
Which one of the following is known as blue mould?

1. Penicillium

2. Rhizopus

3.Mucor

4. Aspergillus

Posted Date:-2021-02-22 01:39:04


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