User Forum

Which of the following flowers does not have the same adaptation to help in pollination as the flower X given in the picture?



A


B


C


D

Read the following statements.
1. Cooking makes the food soft, tasty and easy to chew and digest.
2. Reheating food again and again restores nutrients in the food.
3. Eating junk food very often can lead to health problems.
4. Old people need food that is hard and raw.
Which of these statements is/are incorrect?

A1, 2 and 3 only
B3 and 4 only
C2 and 4 only
D3 only

The given experimental set-up was put in sunlight for a few days. Then leaves X and Y were plucked and iodine test was performed on them. What would you observe?



ALeaf X will completely turn blue black.
BLeaf Y will remain colourless.
CLeaf X will remain colourless at the part covered with dark paper.
DLeaf Y will show blue black colour on tip only.

The given table shows the sizes of 4 different kinds of paper when weighed to exactly 100 g.



(i) Which kind of paper is the thickest?
(ii) Which paper will allow the maximum light to pass through?

A(i) - Tissue paper, (ii) - Construction paper
B(i) - Tracing paper, (ii) - Waxed paper
C(i) - Waxed paper, (ii) - Tissue paper
D(i) - Construction paper, (ii) - Tracing paper

Refer to the given word grid and answer the following questions.

Some uniforms are shown here. A professional who wears one of these uniforms is hidden in the word grid. Identify the one and select the correct option.

A
B
C
D

Identify the given types of feet (d, e, f) of the birds and select the correct option.


A
B
C
D

The given diagram shows a model, which some students have made using scrap materials to represent various parts of human digestive system. Identify these parts and select the correct statement regarding them.


AWall of Q has hair like outgrowths which are richly supplied with blood vessels.
BIn P, absorption of water takes place.
CIn R most nutrients are absorbed into the blood along with water.
DS secretes various digestive juices and helps in complete digestion of food.

Refer to the given diagram. Which of the following can be X, Y and Z?


A
B
C
D

Some plants have seedpods that stick to animal fur. How is this kind of seedpod helpful to plants?

AThe seedpods get food from animal fur.
BThe seedpods are kept warm by animal fur.
CThe animal helps in the dispersal of seedpods to new areas where they can germinate.
DThe animal helps the seedpods to mix with pollen from another plant.

Which of the following is an endoparasite?

AHookworm
BFlea
CLeeches
DMosquito