NCERT Based General Studies (GS): Questions 2283 - 2291 of 3450

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Question number: 2283

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

MCQ▾

Question

what is the size of smallest bacteria?

Choices

Choice (4) Response

a.

1.25 micrometre

b.

0.15 micrometre in diameter

c.

1.5 micrometre in length

d.

None of the above

Question number: 2284

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

MCQ▾

Question

Summer season crops are also called as

Choices

Choice (4) Response

a.

Zayed crop

b.

Rainy crop

c.

Rabi crop

d.

Kharif crop

Question number: 2285

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

MCQ▾

Question

Method of preservation of meat and fish is:

Choices

Choice (4) Response

a.

Salting

b.

Drying

c.

Irradiation

d.

Refrigeration

Question number: 2286

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

MCQ▾

Question

What is hoe

Choices

Choice (4) Response

a.

A tool with a long handle and a blade

b.

Curved plate of wood.

c.

Series of curved blades

d.

Tractor

Question number: 2287

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

MCQ▾

Question

Which method of sowing seed is good

Choices

Choice (4) Response

a.

ploughing

b.

Traditional tool

c.

Levelling

d.

seed drill

Question number: 2288

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

MCQ▾

Question

Bacteria used in converting ammonia products in to ammonia are

Choices

Choice (4) Response

a.

Nitrosomonas bacteria

b.

Pseudomonas

c.

Putrefying bacteria

d.

Nitrobacter bacteria

Question number: 2289

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

MCQ▾

Question

Another name of Algae is

Choices

Choice (4) Response

a.

Thallus

b.

Brown algae

c.

Pond scum

d.

Green algae

Question number: 2290

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

MCQ▾

Question

Gases released during the formation of manure are

Choices

Choice (4) Response

a.

O2, Co2 and CH4

b.

Co2, So2 and CH4

c.

Co, Co2 and CH4

d.

CH4, Co2 and H2O

Question number: 2291

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

MCQ▾

Question

Name the process helps in decreasing the erosion of the soil

Choices

Choice (4) Response

a.

Ploughing

b.

weeding

c.

Levelling

d.

manuring

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