Q. The blood glucose level is commonly expressed as
(A) Mm. of Hg
(B) Milligram per decilitre
(C) Parts per million
(D) Gram (mg/dl) per litre
Ans: (B)
Q. Arteries supplying blood to the heart are called
(A) Carotid arteries
(B) Hepatic arteries
(C) Coronary arteries
(D) Pulmonary arteries
Ans: (C)
Q. The enzyme which takes part in changing fibrinogen to fibrin when blood clots are
(A) Pepsin
(B) Maltase
(C) Thrombin
(D) Prothrombin
Ans: (C)
Q. With which of the physiological process thrombin is associated?
(A) Excretion
(B) Blood clotting
(C) Reproduction
(D) Growth
Ans: (B)
Q. Percentage of water in plasma is
(A) 60%
(B) 70%
(C) 80%
(D) 90%
Ans: (D)
Q. Biological Oxygen Demand (BOD) is a standard criterion for
(A) Measuing oxygen levels in blood
(B) Computing oxygen levels in forest ecosystems
(C) Pollution assay in aquatic ecosystems
(D) Assessing oxygen levels in high altitude regions
Ans: (C)
Q. With reference to the blood in a normal person, which one of the following statements is correct?
(A) Compared to arteries, veins are less numerous and hold less of the body’s blood at any given time
(B) Blood cells constitute about 70 percent of the total volume of the blood
(C) White Blood Cells (WBCs) are made by lymph nodes only
(D) The blood has more platelets than WBC
Ans: (D)
Q. When there is a decrease in the concentration of oxygen in the blood, the rate of breathing
(A) Decreases
(B) Increases
(C) Does not change
(D) First decreases, then increases
Ans: (B)
Q. Carbon monoxide poisoning affects mainly which one of the following?
(A) Digestive activity
(B) Liver functioning
(C) Kidney functioning
(D) Oxygen carrying capacity of blood
Ans: (D)
Q. Scientists of which country have developed an artificial blood that is a kind of plastic blood which could be given to any patient regardless of his blood group?
(A) U.S.A.
(B) Britain
(C) China
(D) Norway
Ans: (B)
Q. Read the following statements in connection with red blood corpuscles and with the help, the code given below find out the correct answer.
1. They have iron.
2. They provide red colour to the blood.
3. They provide immunity against certain diseases.
4. They are the carrier of oxygen in the blood. Code
(A) 1, 2 and 3
(B) 2, 3 and 4
(C) 1, 2 and 4
(D) 1, 2, 3 and 4
Ans: (C)
Q. Consider the following statements about haemoglobin.
1. It carries oxygen in the blood.
2. It is iron-containing compound.
3. It provides a immunity against certain diseases.
4. It imparts a red colour to the blood. The correct statements out of these are
(A) 1, 2 and 3
(B) 1, 3 and 4
(C) 2, 3 and 4
(D) 1, 2 and 4
Ans: (D)
Q. Assertion (A): People with AB blood groups are universal recipients. Reason (R): Red blood cell of blood group AB has no antigen and so agglutination does not occur with any other blood group. Code
(A) Both (A) and (R) are true and
(R) is the correct explanation of
(A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (C)
Q. A man having ‘A’ blood group met a serious road accident and the doctors advised for blood transfusion. The relatives were asked to donate blood, whose blood group were found to be as follows
1. Wife – ‘O’
2. Brother – ‘AB’
3. Son – ‘A’
4. Daughter – ‘O’ Who among the above relations could donate blood to the injured man?
(A) 1 and 2
(B) 2 and 3
(C) 2, 3 and 4
(D) 1, 3 and 4
Ans: (D)
Q. Oxygen transportation in a human body takes place through.
1. Blood
2. Lungs
3. Tissue The correct sequence of transportation is
(A) 1, 2, 3
(B) 3, 1, 2
(C) 2, 1, 3
(D) 1, 3, 2
Ans: (C)
9. Digestion and Excretion
Q. Consider the following. Assertion (A): Alum is applied to stop bleeding from cuts. Reason (R): Blood is a colloidal system containing colloidal particles. The aluminium ions of alum have high coagulating power so the blood gets coagulated. Select the correct answer using the code given below. Code
(A) Both (A) and (R) are true and
(R) is the correct explanation of
(A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (A)
Q. Cellulose and starch both are made up of
(A) (+) – glucose
(B) (–) – fructose
(C) Both (A) and (B)
(D) (+) – galactose
Ans: (A)
Q. The process by which blood is purified in human body is called
(A) Dialysis
(B) Haemolysis
(C) Osmosis
(D) Paralysis
Ans: (A)
Q. In human body most of the digestive process, takes place in
(A) Pancreas
(B) Large intestine
(C) Small intestine
(D) Stomach
Ans: (C)
Q. The saliva helps in the digestion of
(A) Starch
(B) Proteins
(C) Fibres
(D) Fat
Ans: (A)