Q1- In which group of the organisms the food material is broken down outside the body?
A) Mushroom, green plants, amoeba
B) Yeast, mushroom, bread mould
C) Paramecium, amoeba, cuscuta
D) Cuscuta, lice, tapeworm
Q2- Select the correct statement –
A) Heterotrophs make their food
B) Heterotrophs utilize solar energy to make food
C) Heterotrophs do not make their own food
D) Heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Q3- Which of the following statements about autotrophs is incorrect?
A) They synthesize carbohydrates by using carbon dioxide, water in presence of sunlight and
chlorophyll
B) They store carbohydrates in form of starch
C) They convert carbon dioxide and water into carbohydrates in the absence of sunlight
D) They form the first trophic level in the food chain
Q4- Which of these reactions occur in photosynthesis?
A) Carbon dioxide is reduced and water is oxidised (Carbon dioxide + water + energy from light
produces glucose and oxygen)
B) water is reduced and carbon dioxide is oxidised
C) carbon dioxide and water are oxidised
D) carbon dioxide and water are reduced
Q5- A few drops of iodine solution were added to rice water. The solution turned blue-
black in colour. This indicates rice water has –
A) complex proteins
B) simple proteins
C) starch
D) Fats
Q6- Which is the correct sequence –
A) mouth → stomach → small intestine → oesophagus → large intestine
B) mouth → oesophagus → stomach → large intestine → small intestine
C) mouth → stomach → oesophagus → small intestine → large intestine
D) mouth → oesophagus → stomach → small intestine → large intestine
1. The chlorophyll in photosynthesis is used for
I. Absorbing light
II. Breaking down water molecule
III. No function
IV. Reduction of CO2
2. Proteins after digestion are converted into
I. Carbohydrates
II. Small globules
III. Amino acids
IV. starch
3. Carbohydrates in the plants are stored in the form of
I. Glycogen
II. Starch
III. Glucose
IV. Maltose
4. Main site of photosynthesis
I. Leaf
II. Stem
III. Chloroplast
IV. Guard cells
5. The small pores present of leaf’s surface are called
I. Stomata
II. Chlorophyll
III. Guard cells
IV. None of these
6. Photosynthesis is a
I. Catabolic process
II. Parabolic process
III. Amphibolic process
IV. Photochemical lprocess
7. Opening and closing of pores is a function performed by
I. Stomata
II. Chlorophyll
III. Chloroplast
IV. Guard cells
8. Which element is used in the synthesis of proteins?
I. Hydrogen
II. Oxygen
III. Nitrogen
IV. Carbon dioxide
9. Temporary finger like extensions on amoeba are called
I. Cell membrane
II. Cell wall
III. Pseudopodia
IV. Cilia
10. Bile juice is secreted by
I. Stomach
II. Pancreas
III. Small intestine
IV. Liver
11. Which of these juices is secreted by pancreas?
I. Trypsin
II. Pepsin
III. Bile juice
IV. Both I and II
12. Lipase acts on
I. Amino acids
II. Fats
III. Carbohydrates
IV. All of these
13. Respiratory pigment in human body is
I. Chlorophyll
II. Water
III. Blood
IV. haemoglobin
14. Blood consist of what fluid medium?
I. Lymph
II. Platelets
III. Plasma
IV. All of these
15. One cell-thick vessels are called
I. Arteries
II. Veins
III. Capillaries
IV. Pulmonary artery
