1)

Pneumatophores are specialised _______ in hydrophytes.

SSC CGL 2022

A)

fruits

B)

roots

C)

flowers

D)

seeds

2)

The numerical taxonomy of plants is based on which of the following?

SSC CGL 2022

A)

All observable characteristics

B)

Chemical constituents

C)

Structure

D)

Chromosome number

3)

What is the nut of an oak tree called?

SSC CGL 2022

A)

Macadamia

B)

Kola nut

C)

Chestnut

D)

Acorn

4)

Which of the following is NOT a part of a flower?

SSC CGL 2022

A)

Stamen

B)

Pistil

C)

Petiole

D)

Sepal

5)

Which of the following dwarf planets lies in the main asteroid belt?

SSC CGL 2022

A)

Ceres

B)

Makemake

C)

Eris

D)

Haumea

6)

______ is concerned with constructing records of past climates and climatic events by analysis of tree growth characteristics, especially growth rings.

SSC CGL 2022

A)

Geo climatology

B)

Historical- climatology

C)

Bioclimatology

D)

Dendroclimatology

7)

Camellia sinensis is a plant that produces ______.

SSC CGL 2022

A)

jute

B)

coffee

C)

tea

D)

sugarcane

8)

Which of the following is a characteristic of fibres in relation to plant anatomy?

SSC CGL 2022

A)

Responsible for conduction and also mechanical support

B)

Possess only pitted thickenings

C)

Possess various shorted cells

D)

Possess oblique end walls

9)

Which of the following belongs to the family of ‘Hominidae’?

SSC CGL 2022

A)

Wheat

B)

Housefly

C)

Mango

D)

Man

10)

Which of the following is a type of plant disease?

SSC CGL 2022

A)

Botulism

B)

Mastitis

C)

Blight

D)

Coccidiosis