In which of the following mammal Oestrus cycle is absent:

  • .Cow

  • .Horse

  • C.Monkey

  • .Rabbit

__________ is formed just after fertilization.

  • A.Morula

  • B.Blastula

  • C.Zygote

  • D.Foetus

Which type of spores are produce by pteridophytes and gymnosperms?

  • A.Spore myoblast

  • B.Somatic spores

  • C.Heterospores

  • D.Homospores

What is common between vegetative reproduction and apomixis?

  • A.Both are applicable to only dicot plants

  • B.Both bypass flowering phase

  • C. Both ocur round the year

  • D.Both prouces progeny identical to parent

Which structure provides surface for the settlement of pollen grains in angiosperm plants?

  • .Anther

  • .Style

  • C.Stigma

  • .Pollen tube

Which are the various stages of sexual reproduction?

  • A.Growth, Development, Differentiation

  • B.Pre fertilization, Fertilization, Post fertilization

  • C.Fertilization, Post Fertilization, Pre Fertilization

  • D.Gametogenesis, Gamete transfer, Gamete Fertilization

Grafting is impossible in monocot-because

  • A. vascular cambium is absent 

  • B. Meristematic tissue is absent

  • C. Collateralopen vasular bundle

  • D. Raial vascular bundle

Match the following

(P) Fission                   (i) Ulothrix, Saprolegnia

(Q) Budding               (ii) Oedogonium, Chlamydomonas

(R) Fragmentation   (iii) Algal, Fungi, Monera

(S) Sporulation        (iv) Dictyota, Fucus, Protosiphon

 

  • P-i, Q-ii,R-iii, S-iv

  • P-ii, Q-iii, R-iv, S-i

  • P-iii, Q-iv, R-i, S-ii

  • P-iii, Q-iR-ii, S-iv

Identify the structure

A.Conidia

B.Penicillium

C.Algae

D.Zoospore
  • 1
  • 2
  • 3
  • 4

Identify X

  • Stem

  • Runner

  • Offset

  • Bud

Identify A and B

  • . A-Archegoniphore, B-Anthediophore

  • . A- Anthediophore, B- Archegoniphore

  • . A-Anthridium, B-Style

  • . A-Ovary, B-Blastopore

Identify A and B

  • A- Antheridium, B-Oogonium

  • A-Oogonium, B- Antheridium

  • A-Ovary, B- Endosperm

  • A- Ovary, B-Seed

Organism in which both male and female gametes are motile are

  • A. Algae

  • B. Fungi

  • C. Fish

  • D. Both A an B

The most vital event of sexual reproduction is perhaps the fusion of gametes. This process called _________ results in the formation of a diploid _________.

  • A. Syngamy, Zygote

  • B. Fertilization, Zygote

  • C. Copulation, Foetus

  • D. Both A an B are true

Birds like turkey undergo _________ to produce offspring.

  • A. Sexual reproduction

  • B. Asexual reproduction

  • C. Parthenogenesis

  • D. Lay egg

Small aquatic animals produce large number of gametes in surrounding water

  • A. to enhance the chances of syngamy

  • B. to produce large number of offspring

  • C. offspring are extremely vulnerable to predators threatening their survival

  • D. Both A an C

Every sexually reproducing organism, including human beings begin life as a _________ called zygote.

  • . Single cell

  • . Double cell one from each parent

  • C.Blastopore

  • . Megaspore

Strobilanthus kunthiana (neelakuranji), flowers once in _______ years.

 

  • . 10

  • . 20

  • C. 12

  • . 16

Vegetative phase in plants is same as ___________ in animal.

  • A. Sexual phase

  • B. Juvenile phase

  • C. Reprodutive phase

  • D. Syngamy phase

Which is not a method of vegetative propagation

  • A.Micro propagation

  • B.Budding

  • C.Sowing

  • D.Layering

Isogamy is found in

  • A.Plasmodium

  • B.Hydra

  • C. Monoystis

  • D.Planaria

Asexually produced organism inheriting all the character of parent is

  • .Offspring

  • .Clone

  • C.Variety

  • .Hybrid

In vegetative propagation by tuber, which of the following remains constant through generations

  • .Morphology

  • .Vigour

  • C.Morphology, vigour and disease resistance

  • .Both morphology and Vigour

Binary fission is a type of

  • A.Nuclear fragmentation

  • B.Vegetative propagation

  • C.Sexual reprodution

  • D.Asexual reprouction

Natural parthenogenesis occur in

  • .Housefly

  • .Drosophila

  • C.Honey bee

  • .All

Out of the following which two method yield genetically similar plants

1. Stem cutting

2. Seed production

3. Mutation

A.1 and 2

  • B.1 and 4

  • C.2 and 3

  • D.3 and 4

  • 4. Tissue culture

Hermaphrodite animal is

  • .Leech

  • .Spider

  • C.Honey bee

  • .Ascaris

Clear-cut vegetative, reproductive and senescent phase are not found in

  • Annual plants

  • Biennial plants

  • Perennial plants

  • More than one option is correct

In which of the following plant there will be no seed set even after pollination?

 

  • Plant with monoecious flower

  • Dioecious plant with staminate flowers

  • Dioecious plant with pistillate flowers

  • This statement is not true

Offsets are produced by

  • Meiotic divisions

  • Mitotic divisions
  • Parthenocarpy
  • Parthenogenesis

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