NDA Government Jobs Exams

Ohm's law defiens -
(a) a resistance
(b) current only
(c) voltage only
(d) both current and voltage

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NDA Other Question

A car is moving with a uniform speed. However its momentum is changing. Then the car -
(a) may be on an elliptical path
(b) is moving on a straight path without acceleration
(c) is moving on a straight path with acceleration
(d) is moving without any acceleration Which of the following statements about sexual reproduction in flowering plants are correct ?
1. Stament is present in the centre of a flower.
2. Stament produces pollen grains in the ovary
3. The swollen bottom part of carpel is the ovary
4. The fusion of germ cells gives rise to zygote
Select the correct answer using the code given below :
(a) 2, 3 and 4 only (b) 2 and 4 only (c) 1 and 3 only (d) 1, 2, 3 and 4