Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 63 - 68 of 136

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Question number: 63

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Azolla is used as a biofertiliser because it

Choices

Choice (4) Response

a.

multiplies very fast to produce massive biomass

b.

has association with nitrogen fixing cyanobacteria

c.

has association with mycorrhiza

d.

has association with nitrogen fixing Rhizobium

Question number: 64

» Biology » Some Common Diseases

MCQ▾

Question

AIDS virus is

Choices

Choice (4) Response

a.

single strands DNA virus

b.

double strands RNA virus

c.

double strands DNA virus

d.

single strands RNA virus

Question number: 65

» Biology » Plant and Animal Nutrition

MCQ▾

Question

In higher mammals, in the transport of oxygen, haemoglobin plays an important role. The metal associated with haemoglobin is

Choices

Choice (4) Response

a.

manganese

b.

iron

c.

copper

d.

magnesium

Question number: 66

» Biology » Some Common Diseases

MCQ▾

Question

A disease, generally caused by the excessive drinking of alcohol over a long period of time is

Choices

Choice (4) Response

a.

diabetes

b.

arthritis

c.

cataract

d.

cirrhosis

Question number: 67

» Biology » Life Processes

MCQ▾

Question

‘Greenhouse effect’ means

Choices

Choice (4) Response

a.

trapping of solar energy due to atmospheric carbon dioxide

b.

pollution in houses in tropical regions

c.

trapping of solar energy due to atmospheric oxygen

d.

cultivation in Greenhouses, so as to check pollution

Question number: 68

» Biology » Diversity in Living Organisms

MCQ▾

Question

Bat can ascertain distances, directions, nature and size of the obstacles at night. This is possible by reflection of the emitted

Choices

Choice (4) Response

a.

supersonic waves from the distant objects

b.

supersonic waves from the bat

c.

ultrasonic waves from the distant objects

d.

ultrasonic waves from the bat

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