Objective Type Questions:
1. Organelle used as the site of
photosynthesis is
a. Mitochondria b. Cytoplasm
c. Chloroplast d. Golgi bodies
2. State the role of enzyme trypsin in the
process of digestion .
3. How is ATP built up during respiration?
4. Anaerobic respiration occurs in
a. Yeast b. Bacteria
c. Human muscle d. All of the above
5.The functional unit of the excretory system
is
a.Bowmans’ capsule b. Neuron
c. Nephron d. kidneys
6.The blood cells which are helpful in
stopping the blood at the site of injury?
a. RBC b. WBC
c. Platelets d. All of the above
7. Complete the sentence-
Lymph is similar to …….. of the blood but is
………… and contains less …….
8. What will happen to a plant if its xylem is
removed?
9. The blood vessel which brings oxygenated
blood from the lungs into the heart is
a. Pulmonary artery b.Vena cava
c . Pulmonary vein d. Aorta
10.Assertion (A): Stomata are tiny pores
present on the surface of the leaf.
Reason(R): Gaseous exchange take place in
plants through stomata .
a.Both (A) and (R)are true and (R)is the
correct explanation of assertion.
b. Both (A) and (R) are true but (R) is not the
correct explanation of assertion
c. (A) is true but (R) is false.
d. (A) is false but( R)is true.
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