No individual is immortal except:

(1) Single celled organisms

(2) Green plants

(3) Sponges

(4) Drones

Find out the correct statement:

(1) Life spans of organisms are necessarily correlated with their sizes

(2) The sizes of crows and parrots are not very different, so their life spans are almost similar

(3) A peepal tree has much shorter life span as compared to a mango tree

(4) Reproduction is essential for continuity of species on the earth

Which of the following is a false statement?

(1) All organisms have evolved similar mechanism to multiply and produce offsprings

(2) Asexual reproduction is uniparental

(3) Sexual reproduction is biparental

(4) In asexual reproduction no fertilization occurs

Individuals of a clone:

(1) Are genetically similar but morphologically different

(2) Are morphologically similar but genetically different

(3) Are morphologically and genetically similar

(4) Are genetically and phenotypically different

Asexual reproduction is common:

(1) Among single celled organisms only

(2) Among plants only

(3) Among single celled organisms, plants and all animals

(4) Among single celled animals, plants and animals with simple organizations

Which of the following is not vegetative propagule?

(1) Rhizome and sucker

(2) Tuber and offset

(3) Bulbil (e.g. in Agave), leaf buds, bulb

(4) Antherozoid

Identify A to D in given diagrams showing asexual reproductive structure:

(1) A - Zoogamete, B - Bud, C - Conidia , D – Gemmule

(2) A - Zoospore, B - Conidia, C - Bud, D – Gemmule

(3) A- Zoospore, B - Conidiosporangium, C - Bud, D – Gemmule

(4) A - Aplanospore, B - Conidia, C - Bud, D - Gemmule

Examine the figures given below and select the right options out of (a - d); in which all the 4 items A, B, C and D are identified correctly:

Which of the following statements is false?

(1) Asexual reproduction is simpler than sexual reproduction

(2) Asexual reproduction occurs by fission, budding and fragmentation

(3) In most of the animals both asexual and sexual modes of reproduction are found

(4) Vegetative and sexual modes of reproduction are exhibited by the higher plants

Which of the following is false about internal fertilization?

I. Male gamete is motile

II. Male gametes are non-motile

III. Male gametes are produced in large number

IV. Male gametes are produced in small number

V. There is a significant reduction in the number of eggs produce

VI. In seeded plants non-motile male gametes are carried to female gamete by pollen tubes

(1) I, III, V, VI

(2) III, IV

(3) II, IV

(4) V, VI