Question

MULTIPLE CHOICE QUESTIONS.
(1x5=5)
Q1 DDT, BHC and malathion belongs to a class of compounds called
(1) insecticides (ii) fungicides (iii) weedicides (iv) rodenticides
Q2 Which zone of a candle flame is the least hot?
(i) outermost nonluminous zone (ii central luminous zone (iii) inner dark zone (iv)the lowest blue zone
Q3 Which organelles are responsible for energy production in the cell
(1) chloroplast (ii) vacuoles (iii) mitochondria (iv) Golgi bodies
Q4 Which of the following is a biodegradable substance
(0) DDT (ii) Teflon (iii) leftover food (iv) aluminium
Q5 The process in which any electrolyte gets decomposed when electricity is passed through it, is called
(1) electrolysis (ii) decomposition (ii) dissociation (iv) splitting
FILL IN THE BLANKS:
Q6 on commercial scale, the perishable food materials are stored in either deep freezer or
(1x5=5)​

Answer 1

Answer:

1. i

2. i

3. iii

4. iii

5. i

Explanation: