1)

At least ________ of the carbon dioxide fixation on earth is carried out by algae through photosynthesis.

SSC CGL 2022

A)

a quarter

B)

one-tenth

C)

one-third

D)

a half

2)

Which of the following statements is correct with respect to chordates?

SSC CGL 2022

A)

A post anal tail is absent

B)

Heart is dorsal or laterally placed or absent

C)

Double ventral solid nerve cord

D)

Notochord is present

3)

______ refers to a sanitation system in which toilets collect human excreta in sealable, removable cartridges that are transported to treatment facilities.

SSC CGL 2022

A)

Container-Based sanitation

B)

Dry sanitation

C)

Ecological sanitation

D)

Community-led total sanitation

4)

The foul smell from a body specially during a sultry summer is due to the action of ________ on sweat.

SSC CGL 2022

A)

melanin

B)

bacteria

C)

virus

D)

moisture

5)

Which of the following is a characteristic of permanent tissue?

SSC CGL 2022

A)

Intercellular spaces are present

B)

Inorganic inclusions are absent

C)

Cells divide repeatedly

D)

Vacuoles are absent

6)

______, a fluid secreted by new mothers during the initial days of lactation, contains nutrients that boost a baby's immune system and help fight infection.

SSC CGL 2022

A)

Colostrum

B)

Synovia

C)

Sebum

D)

Cerumen

7)

Which of the following is an indigenous dairy breed of cattle?

SSC CGL 2022

A)

Kanni

B)

Chippiparai

C)

Red Sindhi

D)

Kombai

8)

Which of the following animals has more than one heart?

SSC CGL 2022

A)

Octopus

B)

Chameleon

C)

Porcupine

D)

Tortoise

9)

A typical adult human body contains about ________ of magnesium.

SSC CGL 2022

A)

20 g

B)

10 g

C)

25 g

D)

15 g

10)

Which of the following is NOT abiotic?

SSC CGL 2022

A)

Wind

B)

Soil

C)

Plant

D)

Rainfall