Q. What play the most important role in regulating temperature and determining climate on the Earth?
The answer is: (A) Oceans ☑
Q. In plants, the process of pollination enables
(D) none of these
The answer is: (B) fertilization ☑
Q. Which of the following enzyme catalyses the hydrolysis of starch into sugars?
The answer is: (D) Amylase ☑
Q. Which of the following is a tissue?
The answer is: (A) Blood ☑
Q. The position of an element in the Periodic Table is determined by its __________ number.
The answer is: (B) Proton ☑
Q. The most abundant element in the Earth’s crust is
(C) Carbon Dioxide
The answer is: (A) Oxygen ☑
Q. Each day human body breathe in ________ liters of air.
(A) 5,000 to 10,000
(B) 10,000 to 15,000
(C) 15,000 to 20,000
(D) 20,000 to 25,000
The answer is: (C) 15,000 to 20,000 ☑