The heart of human embryo starts beating
Important Questions on General Science
If the father has blood group A and mother has blood group O, then which one of the following blood groups may be found in their son?
(A) B
(B) AB
(C) O
(D) B, AB or O
In an electronic watch, the component corresponding to the pendulum of a pendulum clock is a:
(A) Transistor
(B) Crystal oscillator
(C) Diode
(D) Balance wheel
Match List-I with List-II and select the correct answer from the codes given below the list
| List 1 (Crops) | List 2 (Crop pests) |
| (a) Rice | 1. Aphid |
| (b) Wheat | 2. Gundhi Bug |
| (C) Sugarcane | 3. Greasy cutworm |
| (d) Gram | 4. Top shoot borer moth |
| 5. Bollworm |
Codes:
| (a) | (b) | (c) | (d) | |
| (A) | 2 | 3 | 4 | 5 |
| (B) | 3 | 1 | 2 | 4 |
| (C) | 2 | 1 | 4 | 3 |
| (D) | 5 | 4 | 1 | 3 |
What is the correct sequence of the following in a heart attack?
Narrowing of the inner orifice of the vessel.
'Plaque' from fibrous tissue high cholesterol.
Inadequate supply of blood and oxygen.
Clots of blood are carried into the coronary arteries.
Choose the answer from the codes given below.
In the case of a 'Test-Tube Baby':
(A) Fertilization takes place inside the test tube
(B) Development of the baby takes place inside the test-tube
(C) Fertilization takes place outside the mother's body
(D) Fertilized egg develops inside the test-tube
Which of the following is/are used as bio-fertilizers?
1. Azolla
2. Blue-green algae
3. Alfalfa
Select the correct answer using the codes given below:
Codes : (A) 2 alone (B) 1 and 2 (C) 1 and 3 (D) 1, 2 and 3
Even though an animal is fed with carbohydrate rich diet, its blood sugar concentration tends to remain constant. This is on account of the fact that in the case of an animal:
(A) Hormones of pituitary glands control metabolic process
(B) Hormones of pancreas cause such a condition
(C) Blood sugar is readily absorbed by liver
(D) Glucose undergoes autolysis
