ExamVeda
Login
Home

Economic Biology MCQ question and answer with solution | Biology Gk MCQs

Learn Economic Biology MCQ Questions and answers with easy and logical explanations in Biology Gk . Economic Biology MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-1 section-2

Each section contains 100 MCQs on Economic Biology .
1
Which of the following agricultural practices have been primarily responsible for pollution of our water resources?
1. Use of live-stock manure
2. Use of chemical fertilisers
3. Excessive use of chemical pesticides
4. Deforestation
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
2
Cloves, used as a spice, are derived from which of the following plant parts?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
3
Breeding and management of bees is known as
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
4
Black soil is ideal for the cultivation of which of these crops?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
5
Leghaemoglobin percent in the root nodules of leguminous plants helps in nitrogen fixation by
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
6
Nitrogen fixing bacteria is useful in growing which crop?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
7
White tip of maize leaves indicates the deficiency of
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
8
Match the following columns.
Column I (Bacteria) Column II (Function)
a. Nitrobacteria 1. Fixation of atmospheric nitrogen
b. Ammonifying bacteria 2. Formation of NH+4
c. Denitrifying bacteria 3. Formation of NO-3
d. Rhizobium 4. Formation of N2
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
9
Vegetable oils are converted into solid fat (ghee) by
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
10
Which one of the following product is obtained from plant?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board