Welcome to your Science Quiz 37
1.
Viruses can infect:
- Bacteria
- Fungi
- Plants (2016)
Select the correct answer using the code given below.
2.
Which one of the following is the process involved in photosynthesis? (2014)
3.
Among the following organisms, which one does not belong to the class of the other three? (2014)
4.
Which of the following statements is/are correct regarding vegetative propagation of plants? (2014)
- Vegetative propagation produces clonal population.
- Vegetative propagation helps in eliminating the virus.
- Vegetative propagation can be practiced most of the year.
5.
With reference to the usefulness of the by-products of the sugar industry, which of the following statements is/are correct? (2013)
- Bagasse can be used as biomass fuel for the generation of energy.
- Molasses can be used as one of the feedstocks for the production of synthetic chemical fertilizers.
- Molasses can be used for the production of ethanol.
6.
Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxin, which are not generally destroyed by normal cooking processes. Aflatoxins are produced by? (2013)
7.
Consider the following minerals:
- Calcium
- Iron
- Sodium
Which of the minerals given above is/are required by the human body for the contraction of muscles? (2013)
8.
Consider the following animals:
- Sea cow
- Sea horse
- Sea lion
Which of the above is/are mammal/mammals? (2013)
9.
Many transplanted seedlings do not grow because? (2013)
10.
Which of the following statements is/are correct? (2013)
- Viruses lack enzymes necessary for the generation of energy.
- Viruses can be cultured in any synthetic medium.
- Viruses are transmitted from one organism to another by biological vectors only.
