(Study Material) RRB NTPC (Tier -2) Exam (General Knowledge) - General Science

(Study Material) RRB NTPC (Tier -2) Exam (General Knowledge) - General Science

1. Which of the following factors is most responsible for the damage of stored food grains ?

(a) Moisture content of the grains.
(b) Aeration of the grains.
(c) Environmental humidity.
(d) Environmental temperature.

2. What are cold-blooded animals ?

(a) Animals whose blood is cold
(b) Animals who are ferocious
(c) Animals whose body temperature varies according to the temperature of atmosphere
(d) Animals whose body temperature remains constant

3. Binomial nomenclature refers to the

(a) naming a plant/animal twice
(b) scientific naming of an organism consisting of two words
(c) two names of a living organism-scientific name and a local name
(d) two phases in the life of an organism

4. A herbarium is :

(a) a collection of herbs in dried form
(b) a garden with a varied collection of herbs
(c) a garden with a collection of medicinal herbs
(d) a centre for the preservation of dried specimen of plants

5. In calves that consume large quantities of milk, the curdling of milk takes place due to :

(a) a large variety of useful bacteria
(b) the high acid content of gastric juice
(c) the action of rennin
(d) the action of pepsin

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