User Forum

What is X in the figure and what is its function?

(A) Small intestine - absorbs nutrients from digested food

(B) Stomach - breaks down food using acids and enzymes

(C) Appendix - has no specific function in the body

★ The given figure shows human digestive system with parts labelled as d, e, f, g and h.In which labelled parts the following occur?
(1) Acid and enzymes break the food.
(2) Absorbs only water from the food.


-------(1)----(2)
Ae------d
Be------g
Ce------f
Df------g

(A) Drink water

(B) Eat food

(C) Take air

(D) All of these.

Given below are statements about importance of minerals made by four students :

Which of the students have made incorrect statements?
(a) Ali and Swati
(b) Ali and Lily
(c) Ali, Lily and Swati
(d) Mohan and Swati

Which of the following represents the number line for operation 0 - (-2) - (-3)?

(A)

(B)

(C)

Match column I with column II and select the correct option from the codes given below.

Column I                Column II

(a) Earthworm        (i) Pulmonary

(b) Human              (ii) Branchial

(c) Prawn                (iii) Tracheal

(d) Insects              (iv) Cutaneous

(A) (a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)

(B) (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

(C) (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

The microorganisms that cause diseases are known as pathogens or germs. Microorganisms also cause diseases in animals and plants other than human beings. Select the incorrect statement from the following.

(A) Anthrax is caused by bacteria and it affects humans and cattle

(B) Rust of wheat is a fungal disease

(C) Citrus canker is a viral disease that affects citrus fruits

Shadow moves on screen when

(i) The source moves parallel to the screen.

(ii) The object moves parallel to the screen.

(iii) The source moves away from the screen.

(iv) Colour of the source of light changes.

(A) (i) & (ii)

(B) (ii) & (iii)

(C) (iii) & (iv)