1476: It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. This phenomenon is known as
(a) Photoperiodism
(b) Floreignation
(c) Vernalisation
(d) Heliotropism
1477: The monthly incomes of Peter and Paul are in the ratio of 4 : 3. Their expenses are in the ratio of 3 : 2. If each saves Rs. 600 at the end of the month, their monthly incomes respectively are (in rupees)
(a) 3200 and 2400
(b) 2800 and 2100
(c) 2400 and 1800
(d) 2000 and 1500
1478: The time taken by the sun to revolve around the centre of our galaxy is
(a) 25 million years
(b) 100 million years
(c) 250 million years
(d) 500 million years
1479: Assertion (A)
Finance Commission aims to safeguard the fiscal autonomy of the States.
Reason (R)
Finance Commission is constituted every fifth year.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1480: The colour of an opaque object is due to the colour it
(a) absorbs
(b) refracts
(c) reflects
(d) scatters