Science (NCERT Based General Studies (GS)): Questions 18 - 24 of 1207

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3450 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 650.00 or

Question number: 18

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Nucleus of the bacteria is called as

Choices

Choice (4) Response
a.

Spirilla

b.

Nucleus

c.

Nucleoid

d.

Vibrios

Question number: 19

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Habitat of micro-organism is:

Choices

Choice (4) Response
a.

Soil

b.

Air

c.

Water

d. All a. , b. and c. are correct

Question number: 20

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Name of parasitic Fungi is

Choices

Choice (4) Response
a.

Mushrooms

b.

Yeast

c.

Mildews

d.

Moulds

Question number: 21

» Science » Class-8 NCERT » Crop Production and Management (Harvesting)

MCQ▾

Question

Combine is combination of two machines i. e.

Choices

Choice (4) Response
a.

Thresher and sickles

b.

Sickles or harvesters

c.

Thresher and winnow machine

d.

Harvester and thresher

Question number: 22

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Cyst is:

Choices

Choice (4) Response
a.

Blue-green bacteria

b.

A small capsule like sac that enclose an organism in resting stage.

c.

The outermost layer of earth

d.

In animals a multi-layered extra cellular external body covering

Question number: 23

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Nitrogen Fixation)

MCQ▾

Question

Fixation of Nitrogen is:

Choices

Choice (4) Response
a.

The process of conversion of free nitrogen into compounds of nitrogen.

b.

Free nitrogen present in the atmosphere.

c.

Release of ammonia after death or decay of plant bodies.

d.

Conversion of nitrogen into amino acids and proteins by the plants

Question number: 24

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Bacterial diseases in plants are:

Choices

Choice (4) Response
a.

Leaf spot of cotton

b.

Citrus canker, potato scab

c.

loose smut of wheat, potato blight

d. Both a. and b. are correct

Sign In