41)

Down Syndrome, which causes learning difficulties and physical health development delays and disabilities, is a:

SSC CHSL 2021

A)

bacterial disease

B)

genetic disease

C)

fungal disease

D)

viral disease

42)

Which of the following is one of the basic plant nutrients of fertilizers that are commonly used in agriculture?

SSC CHSL 2021

A)

Arsenic

B)

Potassium

C)

Mercury

D)

Sodium

43)

Which of the following diseases is caused by Helicobacter pyroli?

SSC CHSL 2021

A)

Chikungunya

B)

Rubella

C)

Ringworm

D)

Gastritis

44)

Which of the following hormone is secreted by brain that helps to regulate sleep-wake cycles?

SSC CHSL 2021

A)

Oxytoxin

B)

Insulin

C)

Aldosterone

D)

Melatonin

45)

Which of the following parts of the body/glands maintains the body temperature?

SSC CHSL 2021

A)

Thyroid

B)

Pituitary

C)

Adrenal

D)

Hypothalamus

46)

Which of the following diseases is caused by Leishmania, a protozoan organism?

SSC CHSL 2021

A)

Sleeping sickness

B)

Acne

C)

Kala-azar

D)

Malaria

47)

Who discovered blood circulation?

SSC CHSL 2021

A)

Rosalind Franklin

B)

Charles Darwin

C)

David Baltimore

D)

William Harvey

48)

The cause of Siderosis is excessive deposition of ______ in the body tissue.

SSC CHSL 2021

A)

iron

B)

zinc

C)

aluminium

D)

coal

49)

Cuscuta is an example of:

SSC CHSL 2021

A)

host

B)

parasite

C)

autotroph

D)

saprotroph

50)

The deficiency of which of the following vitamins causes night blindness?

SSC CHSL 2021

A)

Vitamin D

B)

Vitamin B2

C)

Vitamin E

D)

Vitamin A