The plant part which consists of two generations, one within the other, is

1. germinated pollen grain

2. embryo

3. unfertilized ovule

4. seed

A scion is grafted to a stock. The quality of fruits produced will be determined by the genotype of 

(1) stock

(2) scion

(3) both stock and scion

(4) neither stock nor scion.

Which form of reproduction is correctly matched?

(1) Euglena → transverse binary fission

(2) Paramecium → longitudinal binary fission

(3) Amoeba → multiple fission

(4) Plasmodium → binary fission

The ploidy of bread wheat is 

(1) 4 n

(2) 6 n

(3) 2 n

(4) 8 n

Life span of parrot is 

(1) 140 years

(2) 60 years

(3) 80 years

(4) 40 years

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