Science-Class-8 NCERT (NCERT Based General Studies (GS)): Questions 67 - 73 of 468

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: 67

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

MCQ▾

Question

Common method of food preservation that is used to stop the growth of moulds and bacteria on food is:

Choices

Choice (4) Response

a.

Deep freezing

b.

Pickling

c.

Drying

d.

Salting

Question number: 68

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

MCQ▾

Question

Algae having cup shaped chloroplast is:

Choices

Choice (4) Response

a.

Chlamydomonas

b.

Chlorella

c.

Spirogyra

d.

Both a. and b. are correct

Question number: 69

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

MCQ▾

Question

Symbiotic bacteria present in the human intestine is

Choices

Choice (4) Response

a.

Lactobacillus

b.

Pneumococcus

c.

Escherichia Coli

d.

Bacillus anthracis

Question number: 70

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

MCQ▾

Question

What is a buffer stock?

Choices

Choice (4) Response

a.

Drying of grains before storage

b.

Storage of grains in granaries

c.

Large scale storage of grains

d.

Some stocks of grains maintained for the shortage.

Question number: 71

» Science » Class-8 NCERT » Crop Production and Management (Preparation of Soil)

MCQ▾

Question

Ploughing is also called as

Choices

Choice (4) Response

a.

breaking of crumbs

b.

Tilling

c.

Loosening of soil

d.

Levelling

Question number: 72

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

MCQ▾

Question

Name micro-organisms which increases soil fertility is:

Choices

Choice (4) Response

a.

Azotobacter

b.

Anabaena and Nostoc

c.

Rhizobium

d.

All a. , b. and c. are correct

Question number: 73

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

MCQ▾

Question

Crop is the term used to describe

Choices

Choice (4) Response

a.

plant grown only in villages

b.

seeds grown in all areas

c.

plant that is grown in rainy season

d.

a plant that is grown in large quantities especially as food or fodder for livestock

Sign In