1 |
Which ions are involved in opening and closing of stomata? |
- A. Potassium ions
- B. Chloride ions
- C. Sodium ions
- D. Iodide ions
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2 |
The death of the heart tissue is called: |
- A. Arterioclerosis
- B. Atherosclerosis
- C. Myocardial infarction
- D. Thalassemia
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3 |
Which of the following structures are not cells. |
- A. Lymophocytes
- B. Eosinophils
- C. Monocytes
- D. Platelets
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4 |
The grater the no. of stomata on leaf , the ............. would be transpiration. |
- A. Higher
- B. Lower
- C. Remain constant
- D. None
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5 |
A cubic millimeter of blood contain about ............. million RBCs. |
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6 |
A patient with blood group A can be given the blood of donor who has: |
- A. Blood group A or AB
- B. Blood group A or O
- C. Blood Group A only
- D. Blood group O only
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7 |
Trace the pathway of water from the soil through the plant to be the atmosphere: |
- A. Endodermis, cortex , epidermis , xylem , intercellular spaces in mesophyll, stomata
- B. Epidermis, endodermis , phloem, cortex of leaf, intercellular spaces of mesophyll, stomatta
- C. Root hairs, epidermis , Cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata
- D. Root hairs, Cortex, endodermis ,xylem,intercellular spaces in mesophyll, stomata
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8 |
Which of the following cells is most abundant in the blood?A |
- A. Red blood cells
- B. White blood cells
- C. Platelets
- D. None of these
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9 |
In most plants the food is transported in the form of: |
- A. Glucose
- B. Sucrose
- C. Starch
- D. Proteins
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10 |
Which of the following protein takes in part in blood clotting: |
- A. Albumin
- B. Prothrombin
- C. Fibrinogen
- D. Fibrin
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