September 29, 2023

Science Quiz: Day 24

Which of the following is a large blood vessel that carries blood away from the heart?
  • (A) Vein
  • (B) Artery
  • (C) Capillary
  • (D) Nerve
Which of the following is not a member of the vitamin B complex?
  • (A) Thiamine
  • (B) Riboflavin
  • (C) Folic acid
  • (D) Ascorbic acid
Which blood vessels have the smallest diameter?
  • (A) Capillaries
  • (B) Arterioles
  • (C) Venules
  • (D) Lymphatic
There is a very, yellow dust that comes away on the fingers, wherever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?
  • (A) Pollen
  • (B) Sperm
  • (C) Spore
  • (D) Sporocyst
Which organ of the body produces the fluid known as bile?
  • (A) Liver
  • (B) Pancreas
  • (C) Gall bladder
  • (D) Kidney
Which of the following hormones is a steroid?
  • (A) Estrogen
  • (B) Estrogen
  • (C) Insulin
  • (D) Oxytocin
Heart is made up of
  • (A) Non-striated muscle
  • (B) Cardiac muscle
  • (C) Adipose tissue
  • (D) Striated muscle
Digestion of proteins starts in the :
  • (A) Mouth
  • (B) Stomach
  • (C) Duodenum
  • (D) Intestine
Hepatitis is a general term for a disease that is caused by –
  • (A) Viruses
  • (B) Bacteria
  • (C) Parasites
  • (D) All the above
Which of the following has the highest protein content per gram?
  • (A) Groundnut
  • (B) Soyabean
  • (C) Apple
  • (D) Wheat
Which of the following defence of the human body against bacteria?
  • (A) Haemoglobin
  • (B) Phagocytes
  • (C) Red blood cells
  • (D) Blood platelets
What is blood pressure?
  • (A) It is the pressure that the blood clot exerts over the brain.
  • (B) It is the pressure that blood receives on account of faulty commands from the brain.
  • (C) It is the pressure that fatness or old age exerts on the body's circulatory system.
  • (D) It is the amount of pressure on the blood as a result of the heart's pumping function and the resistance of the arterial walls.
Consider the following with reference to human nutrition:
1. Vitamin A
2. Vitamin B2
3. Vitamin E
For which of these are green leafy vegetables rich sources?
  • (A) 1 and 2
  • (B) 2 only
  • (C) 1 and 3
  • (D) 1,2 and 3
Which one of the following systems of the body is primarily attacked by the HIV?
  • (A) Cardiovascular
  • (B) Immune
  • (C) Respiratory
  • (D) Reproductive
Which of the following are known as the suicide bags of cells?
  • (A) Ribosomes
  • (B) Golgi bodies
  • (C) Lysosomes
  • (D) Nucleoli

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