KCET · BIOLOGY · STD 12 - 8. Microbes in Human Welfare

A person admitted to hospital as he had myocardial infraction. A cardiologist injecting him 'streptokinase' why?

A It reduces hypertension.
B It reduces the level of blood cholesterol.
C It stimulates heartbeat.
D It acts as clot buster.

Verified Solution

Answer & Solution

Correct Answer

(D) It acts as clot buster.

Step-by-step Solution

Detailed explanation

(D) It acts as clot buster.,
Streptokinase works as a tissue plasminogen activator. It helps in dissolving blood clots inside the blood vessels, has fibrinolytic effect.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

Column I lists the parts of the human brain and column II lists the functions. Match the two columns and identify the correct choice from those given.

Column-I	Column-II
A. Cerebrum	p. controls the pituitary
B. Cerebellum	q. controls vision and hearing
C. Hypothalamus	r. controls the rate of heart
D. Midbrain	s. seat of intelligence
	t. maintains body posture

KCET 2005 Easy

Column-I contains terms and Column-II contains definitions. Match them correctly and chooe the right answer.

Column-I	Column-II
A. Parturition	1. Attachment of blastoctyst to endometrium
B. Gestation	2. Release of egg from Graafian follicle
C. Ovulation	3. Delivery of baby from uterus
D. Implantation	4. Duration between pregnancy and birth
E Conception	5. Formation of zygote by fusion of the egg and sperm
	6. Stoppage of ovulation and menstruation

KCET 2011 Hard

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