Question

01 Choose the correct answer and fill up-
(10x1-10)
1) Name the process through which modern breed of pet dog was acquired:
(a) Natural selection
(b) Artificial selection
(c) Juvenile selection
(d) Work selection
2) The pH of a natural solution is:
(a) 1
(b) 0
(d) 7
3) In which one of the following heat cannot flow due to convection:
(a) Tea
(b) Water
(c) Wind
(d) Vacuum
4) The modern periodic law was proposed by-
(a) Newlands
(b) Moseley
(c) Mendeleev
(d) Dobereiner
5) There are about 2234 insects. 56 birds and 3 snakes on a mango tree
The pyramid of energy would be:
(a) Straight
(b) Inverted
(c) Rectangular
(d) Uncertain
6) The instrument used to measure current in a circuit is:
(a) Voltmeter
(b) Ammeter
(c) Odometer
(d) None of these
7) Kidney is composed of several:
(a) Nephron
(b) Bowman's capsule
(c) Ureter
(d) Urinary bladder
8) A gland present in our brain that controls hormonal secretions of several
other glands in our body.
(a) Pituitary
(b) Liver
(c) Adrenal
(d) Pineal
9) Which among the following metal is most reactive:
(a) Mg
(b) Ai​

Answer 1

Answer:

1) (a) natural selection

2) (d) 7

3) (d) Vacuum

4) (c) Mendeleev

5) (b) inverted

6) (b) Ammeter

7) (a) Nephron

8) (a) Pituitary

9) (a) Mg