GK - Biology

General Knowledge - Biology

1. With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretin is produced from the duodenum.
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids.
Which of the statements is/are correct?

2. 'Life begets life' or Biogenesis was stated by

3. Source of energy in ecosystem is

c. Sugar produced in photosynthesis

4. The first sign of life made its appearance on the earth about

a. 1 million years ago

b. 500 million years ago

c. 1 billion or 1000 million years ago

d. 3 billion years ago

5. Acquired Immune Deeiciency Syndrome (AIDS) is caused by

6. Biochemical origin of life was discovered by

7. Which one of the following statement is NOT correct?

a. Milk contains none of the B-vitamins

b. Vitamin-A (retinal) deficiency leads to dry and scaly skin

c. One of the symptoms of scurvy is pain in the joints

d. Vitamin-B, (thiamine) deficiency can lead to heart failure

8. Cacti are classic examples of

9. Lamarck's theory of inheritance of acquired characters was challenged by

10. The tallest tree in the world is

Rules to play Tee Ball

Calling Time

When the ball is hit, play proceeds normally until the ball is held by any player in an infield position and all runners are in close proximity to a base only 1 runner may occupy a base. The umpire shall then call Time.