User Forum

Which of the following options will complete the pattern in Fig. (X)?
    


A

B

C

D

Which of the following reactions are exothermic in nature?
(i) Evaporation of water
(ii) Dissolution of sodium hydroxide in water
(iii) Dilution of sulphuric acid
(iv) Dissolution of ammonium chloride in water
(v) Combustion of methane gas

A (i), (iv) and (v) only
B (ii), (iii) and (v) only
C (i), (ii) and (iv) only
D (i), (iii) and (iv) only

Study the given graph carefully and select the correct statement(s).


I. When water is cooled to 4°C, the volume decreases.
II. Ice and water co-exist at 0°C.
III. Water has minimum density at point Q.
IV. The volume of ice is more than that of water.

AI only
BII and III only
CI, II and IV only
DAll of these

Pointing to a photograph, Sonal says, "This man's son's sister is my mother-in-law". How is the Sonal's husband related to the man in the photograph?

AGrandson
BSon
CSon-in-law
DNephew

Study the given flowchart carefully and fill in the blanks.

Which of the following options completes the life cycle of the Japanese morning glory plant given below ?


A
B
C
D

Which of the following statements is/are INCORRECT?
1. Phiran is the traditional dress of Kashmir.
2. Rose leaves are kept in folds of woollen clothes to protect them from damage by silver fish.
3. Light coloured clothes absorb more heat than dark coloured clothes.

A2 only
B2 and 3 only
C1 and 2 only
D1, 2 and 3

The following graphs show the level of water pollution in a particular area. Which graph depicts that chemical factories have increased in this area over time?

A
B
C
D

Read the given statements and select the correct one.

AThere are total 10 pairs of ribs in human body.
BFirst seven pairs of ribs are called true ribs.
CRibs are attached to backbone in the front and to sternum at the back.
DRibs protect the brain and the heart.