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Practice MCQ Questions and answers on Biology-GK

Learn and practice General Knowledge questions and answers on Biology with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-4 section-3

Each section contains 100 MCQs on Biology .
31
In Pedology we study about
Discuss
Answer & Solution
Answer: Option C
Solution:
Pedology is defined as the science that studies the genesis, nature, distribution and use potentiality of soil resources.
32
Biological control is to check growth of
Discuss
Answer & Solution
Answer: Option D
Solution:
Biological control is to check growth of one pest by another.
33
The biofertilizer used or the paddy crops is
Discuss
Answer & Solution
Answer: Option A
Solution:
The bio-fertilizers used for rice crop are Azospirillum, Phosphobacteria, Blue green algae azolla and Mycorhiza.
34
Which of the following plants have root nodules?
Discuss
Answer & Solution
Answer: Option A
Solution:
Leguminous plants have root nodules.
35
Branch of agriculture concerned with the production of crops is
Discuss
Answer & Solution
Answer: Option B
Solution:
Agronomy is the branch of agriculture concerned with the production of crops.
36
Nitrogenous Food is
Discuss
Answer & Solution
Answer: Option A
Solution:
Proteins are nitrogenous foods. Nitrogenous foods as it is clear from the name are those foods which are high in the quantity of nitrogen they possess. Foods with nitrogen are the main ingredients when anyone talks about good health.
37
Which of the following crops would be preffered for sowing in order to enrich the soil with nitrogen?
Discuss
Answer & Solution
Answer: Option D
Solution:
The "gram crops" would be preferred for sowing in order to enrich the "soil with nitrogen".
38
The temperature danger zone for food is
Discuss
Answer & Solution
Answer: Option A
Solution:
The temperature danger zone for food is 5 - 63 degree.
39
Some species of which of the below kinds of organisms are employed as biopesticides?
1. Bacteria
2. Fungi
3. Flowering plants
Discuss
Answer & Solution
Answer: Option A
Solution:
Bacteria are employed as biopesticides.
40
Golden rice has the highest quantity of
Discuss
Answer & Solution
Answer: Option A
Solution:
Golden rice is a variety of rice (Oryza sativa) produced through genetic engineering to biosynthesize beta-carotene, a precursor of vitamin A, in the edible parts of rice.