General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part21 : 16 to 20

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

16.In Homo sapiens, fertilisation occurs in the :

uterus

ovary

vagina

oviduct

17.Which of the following statements is/are true about tears secreted by the glands under the top eyelids ? 1. It contains sodium bicarbonate2. It contains sodium chloride 3. It contains an enzyme lysozyme which can destroy bacteria 4. It suppleis oxygen to the cornea and crystalline lens

1 and 3

2, 3 and 4

2 and 4

1, 2 and 3

18.Of one chews an unsweetened chapati for a short time, a distincly sweetish taste becomes noticeable because

carbohydrate is converted into sugar in the mouth

protein is converted into sugar in the mouth

fat is converted into sugar in the mouth

vitamins are converted into sugar in the mouth

19.Which of the following are true of fertilizer ? 1. It supplies nutrients to the plants.2. It kills the pests.3. It produces plant growth hormones4. It adjusts the soil pH and increases the crop yield

1 and 2

2 and 3

1 and 3

1 and 4

20.Athletes normally have larger sized hearts because :

their blood is thicker and requires more heart muscle to circulate it

greater blood pressure developed during workout requires thicker heart walls

their cardiac output is regulated by change of cardiac rate during workout

their cardiac output is regulated by change of stroke volume during workout

More General Science QUESTIONS AND ANSWERS available in next pages