User Forum

Which of the following statements are correct?
(i) Excess proteins in our body are stored as fats.
(ii) Carbohydrates form the bulk portion of our diet.
(iii) Haemoglobin is a protein that makes our blood red and carries oxygen throughout our body.
(iv) Jowar is a millet and a native crop of India.

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

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous value, then the new time period will become

A10 hours
B80 hours
C40 hours
D20 hours.

Roots of mangrove trees grow out of the soil because

A Their roots cannot penetrate the clayey soil.
B Main root is profusely branched and there is no room for roots to thrive.
C Clayey soil is sticky and does not have enough air for the roots of plants to breathe.
D None of these

Trees take many years to reach maturity. Paper is made from wood pulp. As more people are using recycled paper, fewer trees would be cut down. Which of these graphs shows the result that would be obtained after a few years of carrying out this act of conservation?

A
B
C
D

Which of the following figures has exactly two lines of symmetry?

A
B
C
D

The season when temperature is moderate and blooming flowers could be seen all around is called ______.

AAutumn
BSpring
CSummer
DWinter

Some animals go to sleep for a long time in the summer months. This phenomenon is called _______.

AMetamorphosis
BMoulting
CAestivation
DHibernation

Which of the following Venn diagrams best depicts the relationship amongst, “Females, Managers and Mothers”?

A
B
C
D

Identify X and Y from the given statements and select the correct option.
X : A metallic mineral used in making coins, wires and utensils. It is extracted from chalcopyrite.
Y : A non-metallic mineral commonly found in sedimentary rocks and used in making glass and ceramics.

Select the correct match of the symbol used on map with its name.

A
B
C
DNone of these