The digestion in stomach is taken care of by the gastric glands present in the wall of the stomach. Which of the following are released by these glands?

(A) Trypsin enzyme

(B) Pepsin enzyme

(C) Hydrochloric acid

(D) Mucus

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Blood is a red, viscous connective tissue flowing within blood vessels. Which of the following statements are TRUE?

(A) The average volume in a healthy adult male and female is about 5 and 4.5 liters respectively.

(B) The plasma contains 70% water, 20% proteins, nutrients, salts, and hormones.

(C) The hemoglobin binds oxygen in the lungs to transport it throughout the body.

(D) The red blood corpuscles act as the body's defense mechanism against infections.

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Who among the following is a naturalist and Indian Ornithologist, also known as 'Birdman of India'?

SI unit of mechanical energy is __________.

A cell-

(A) Cells were first discovered by Robert Hooke

(B) He observed cells in cork slice

(C) Amoeba is a single cell organism

(D) Every cell has only two features, the plasma membrane and the nucleus

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Which Indian Meteorological satellite has renamed as Kalpana-I in 2003 ?

PSLV-C49 spacecraft successfully launched 10 satellites simultaneously from _______.