Question

1.Entities exhibiting properties of both non-living and living are:

(a) diatoms

(b) lichens

(c) bacteria

(d) viruses

2. This has a smaller intestine

(a) carnivore

(b) herbivore

(c) both (a) and (b)

(d) none of the above

3. Which of these substances is transported by the blood plasma?

(a) Potassium

(b) Food

(c) Alcohol

(d) All of the above

4. Here, the maximum exchange of material between blood and surrounding cells takes place

(a) Veins

(b) Heart

(c) Capillaries

(d) Arteries

5. In photosynthesis, the chlorophyll is used for

(a) No function

(b) reduction of carbon dioxide

(c) breaking down the water molecule

(d) absorbing light

6. The enzymes found in secreted intestinal juice finally convert

(a) fats into fatty acids and glycerol

(b) proteins to amino acids

(c) complex carbohydrates into glucose

(d) all of these

7. The respiratory pigment in human beings is

(a) insulin

(b) enzymes

(c) haemoglobin

(d) none of these

8. This structure guards the opening of the hepatopancreatic duct into the duodenum

(a) Pyloric sphincter

(b) Sphincter of Oddi

(c) Semilunar valve

(d) Ileocaecal valve

9. Pick the correct one

(a) Serum = Blood + Fibrinogen

(b) Lymph = Plasma + RBC + WBC

(c) Plasma = Blood – Lymphocytes

(d) Blood = Plasma + RBC + WBC

10. Reduction of blood pH will

(a) reduces the rate of heartbeat

(b) reduces the blood supply to the brain

(c) releases bicarbonate ions by the liver

(d) decrease the affinity of haemoglobin with oxygen
11.The process of acquiring oxygen from outside the body, and to use it in the process of break-down of food sources for cellular needs, is called ___ .

(A) respiration

(B) digestion

(C) oxidising

(D) excretion

12.These waste byproducts are needed to be removed from the body and discarded outside by a process called

(A) respiration

(B) digestion

(C) reducing

(D) excretion
13.Proteins after digestion are converted into
A.Carbohydrates
B.Small globules
C. Amino acids
D.starch
14.Which element is used in the synthesis of proteins?
A. Hydrogen
B. Oxygen
C. Nitrogen
D. Carbon dioxide
15.Temporary finger like extensions on amoeba are called
A. Cell membrane
B. Cell wall
C. Pseudopodia
D.Cilia
16. Bile juice is secreted by
A Stomach
B Pancreas
C Small intestine
D Liver
17.Which of these juices is secreted by pancreas?
A Trypsin
B.Pepsin
C Bile juice
D Both I and II
18.Lipase acts on
A Amino acids
B. Fats
C. Carbohydrates
D. All of these
19. Respiratory pigment in human body is
A. Chlorophyll
B. Water
C. Blood
D. haemoglobin
20. Blood consist of what fluid medium?
A. Lymph
B. Platelets
C. Plasma
D. All of these
21.One cell-thick vessels are called
A Arteries
B. Veins
C. Capillaries
D. Pulmonary artery
22.The enzyme Pepsin is inactive in stomach without the presence of
a) Nitric Acid b) Hydrochloric acid c) Acetic acid d) Butyric acid
23.Rajib was absent in the class because of muscle pain which he claims to be due to excess physical exercise he had done yesterday. This pain is due to
a) Formation of lactic acid b) Formation of acetic acid c) Formation of Pyruvic acid d) Formation of Hydrochloric acid
24.Villi present on the inner lining of the intestinal wall
a) Secretes enzymes for digestion
b) Secretes hormones
c) Decreases the surface area for absorption
d) Increases the surface area for absorption
25.Right part of the human heart contains
a) Oxygenated blood b) Mixed blood c) Deoxygenated blood d) No blood​

Answer 1

Explanation:

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Answer 2

Answer:

1.b lichen.. 2 .both a and b 20. lymph 19.haemoglobin 18.all of these