Q.1 Name the pigment which can absorb solar energy? (1)
Q.2 How does amoeba engulf its food? (1)
Q.3 Which part of roots is involved in exchange of respiratory gases? (1)
Q.4 What is the name of largest artery in our body? (1)
Q.5 Name the excretory unit of a kidney? (1)
Q.6 Name the tissue which transports water and minerals in a plant? (1)
Q.6 How do plants obtain food? What are two phases of photosynthesis? (2)
Q.7 Why is it essential to match the blood group of ‘donor’ and the’receiver’ person before arranging transfusion of blood? (2)
Q.8 What is dymph? Write its important functions? (2)
Q.9 State two vital functions of human kidney? (2)
Q.10 What is the function of epiglottis in man? Draw a labelles diagram of human digestive system? (2)
Q.11 Draw a diagram of human heart and label the following on it : (3)
i) Aorta ii) pulmonary trunk iii) Superior Vena Cava iv) Coronary arteries
Q.12 what is translocation? Why is it essential for plants? Where in plants are the following syntherised :a) sugars b) Harmones (3)
Q.13 Name the factors which affect photosynthesis? (3)
Q.14 Defing the terms’nuitrients’ and ‘nutrition’, dist four factors which influence the process of photosynthesis and describe how each of them affect the rate of photosynthetic process? (3)
OR
Draw a sectional view of human heart and label on it; Aorta, Pulmonary Arteries, Vena Cava, Left ventricles.
Q.15 What is the waste product generated in plants? How do they get rid of them?
OR
Explain how oxygen enters the blood in the lungs? (5)
Q.16 a) Which food is easily digested- the meat or the grass? Give explanation.
b) What is the cause of acidity in human beings?
OR
Why do acquatic organisms breathe much faster than the terrestrial organisms? (5)
Q.17 Draw the diagram of cross section of a leaf and label to following in it;
Chloroplast, Guard cell, Lower epidermis, Upper epidermis.
OR
Describe the mechanism of breathing in human beings with a diagram ? (5)
SECTION (B)
Q.18 The matrix of chloroplast is known as
a) Grana b) Stroma c) Thuylakoid d) Lamellae
Q.19 The green colour of plants is due to the presence of:-
a) Chlorophyll b) Xanthophylls c) Carotene d) Starch
Q.20 Desert plants take up Co2 during:
a) Midday b) Morning c) Night d) Evening.
Q.21 In plants, carbohydrates which are not used immediately are stored in the form of:
a) Glycogen b) Sucrose c) Glucose d) Starch
Q.22 The chlorophyll absorbs mostly:
a) Blue & green light b) Blue & red light
c) Green & red light d) Green light
Q.23 The guard cells swell when water flows into them, causing the stomatal pore to:
a) Open b) Open then close c) Close d) Close then Open
Q.24 Following occur during photosynthesis:
a) Absorption of light energy by chlorophyll.
b) Conversion of light Sucrose
c) Reduction of Co2 Carbohydrates
d) All of the above
Q.25 Exchange of gases involves a) Osmosis b) Imbibition c) Diffusion d) Suction Pressure.
Answers
Answered by
13
Answer:
Explanation:
Chlorophyll : The pigment which can absorb solar energy
Amoebas obtain food by capturing their prey with their pseudopodia.
pores on the outer layer known as lenticels
The largest artery is the aorta
Photosynthesis :
light-dependent reactions and the Calvin cycle (light-independent reactions)
it is essential to match the blood group of ‘donor’ and the’receiver’ person before arranging transfusion of blood to avoid Cell destruction.
Answered by
2
Answer:
- chlorophyll.
- Amoebas
- lenticals
- aurta
- photosynthesis.
- it is essential to match the blood group of ‘donor’ and the’receiver’ person before arranging transfusion of blood to avoid Cell destruction.
Hope it helps you..
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