Biology English

Question. The ........ helps in equalising the pressure on either sides of the ear drum.

Ans: eustachian tube

Question. Which of the following is not a part of the brain?

Ans: Pinna

Question. Which one of the following diseases may be caused by the deficiency of vitamin C?

Ans: Scurvy

Question. Which one of the following statements regarding viruses is not true?

Ans: Viruses are similar to chemical substances outside the host

Question. Which one of the following is a bacterium that causes disease in the human body?

Ans: Salmonella typhi

Question. Thyroid gland produces a hormone called Thyro-xine which -

Ans: controls metabolic rate

Question. Which one of the following is not a monatomic element?

Ans: Iodine

Question. Who among the following popularized the use of embryological characters in taxonomy?

Ans: Carl Linnaeus

Question. Which one of the following statements is correct?

Ans: Xylem consists of sieve plate, sieve tube and companion cells

Question. Mitochondria are able to produce their own -

Ans: Nucleus

Question. Blood is a type of -

Ans: Connective tissue

Question. Which of the following is known as sunshine vitamin?

Ans: Vitamin D

Question. Which of the following regulates the activities of heart, lungs and urinary bladder?

Ans: Visceral Nerves

Question. wing is an excellent biofertilizer?

Ans: Azolla

Question. The camel\'s hump is composed of a tissue which provides water when oxidised. It is a -

Ans: Adipose Tissue

Question. Which of the following pairs is not matched correctly?

Ans: Measles - Bacterial Infection

Question. Glucose is converted to ethyl alcohol by the enzyme -

Ans: zymase

Question. Milk is a poor source of -

Ans: vitamin C

Question. The radiations used in the treatment of muscle ache are -

Ans: infrared

Question. Clove, a spice, is obtained from which part of the plant?

Ans: Flower bud

Question. Legumes are highly nutritious because they are rich in -

Ans: protein

Question. Among the following, which is not a true fruit?

Ans: Apple

Question. The sweetest sugar among the following is -

Ans: fructose

Question. Ginger is a stem and not root because -

Ans: it has nodes and internodes

Question. The sensitive area of the human tongue to bitterness is -

Ans: posterior part

Question. The malfunctioning of thyroid gland is due to the deficiency of -

Ans: iodine

Question. The female sex hormone is -

Ans: estrogen

Question. The vitamin which is effective in blood clotting is -

Ans: vitamin K

Question. Which one of the following is not found in animal cells?

Ans: Cell wall

Question. Which one of the following acids is also known as Vitamin C?

Ans: Ascorbic acid

Question. Which one of the following cell organelles is known as suicide bags of a cell?

Ans: Mitochondria

Question. Which one of the following body parts/ organs of the human body does not have smooth muscles?

Ans: Biceps

Question. Which one of the following organisms is responsible for sleeping sickness?

Ans: Trypanosoma

Question. Chlorophyll in photosynthetic prokaryotic bacteria is associated with -

Ans: membranous vesicles

Question. Three chambered heart is found in -

Ans: Amphibians

Question. Which of the following vitamins is mainly responsible for blood coagulation in human being?

Ans: Vitamin K

Question. Use of polished rice in human diet causes following diseases -

Ans: Beri-beri

Question. In human body, the digestion of protein begins in which of the following organs?

Ans: Stomach

Question. Change in the base sequence within a gene is called -

Ans: Mutation

Question. Which of the following natural substances contains iron (Fe)?

Ans: Myoglobin


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