genetics, evolution of life & ecological biodiversity - Category wise Question and Answer Practice Test with Solutions

Question : 26

Cymose is

a) inflorescence

b) thalamus

c) fruit

d) ovary

Question : 27

The last chain of food are

a) Parasites

b) Producers

c) Decomposers

d) None of the above

Question : 28

Leaves of dicotyledonous plants possess ________ venation, while ____________ venation is the characteristic of most monocotyledons.

a) reticulate and perpendicular respectively

b) reticulate and parallel respectively

c) parallel and reticulate respectively

d) obliquely and parallel respectively.

Question : 29 [CDS]

In the context of ecology and environment, what does the Red Data Book pertain to?

a) A description of the consequences of nuclear holocaust

b) Details of harmful levels of various pollutants

c) A complete list of all endangered plants and animals

d) A description of the sociological and psychological consequence of genetically modified plants and animals

Question : 30

Agar is commercially obtained from

a) brown algae

b) red algae

c) green algae

d) blue-green algae