Q1. Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?
(c) Medulla oblongata
Q2. Cloves, used as a spice are derived from which of the following plant parts?
(c) Flower buds
Q3. Which of the following is the cellular respiratory centre?
(d) Golgi body
Q4. Bamboo is classified as
Q5. Consider the following statements:
1. Lichens show symbiotic association between algae and fungi.
2. Lichens are sensitive to SO2 and indicators of pollution.
Which of the statements given above is/are correct about lichens?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Q6. The water and mineral salts are transported to the various organs by which of the following?
Q7. Production of which one of the following is associated with the function of the liver?
(d) Hydrochloric acid
Q8. Acupuncture is a medical system of treatment in which—
(a) herbs are used to relieve pain
(b) needles are inserted into particular parts of the body to relieve pain
(c) surgery is done to relieve pain
(d) none of these
Q9. The age of trees is estimated by which of the following?
(a) their heights
(b) their weights
(c) counting the number of annual rings
(d) their elongation of roots
Q10. Which of the following is the site of RBC formation in human body?
(d) bone marrow
Q11. Which organ of the human body stores the carbohydrates in the form of glycogen?
Q12. The study related to the fishes is called—
Q13. Kuttu flour is obtained from which of the following?
Q14. The study of bones is done under the branch of science called—
Q15. Which of the following is a good source of protein?
(c) Black Gram
(d) Pigeon Pea