Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology transport in plant transport of water and minerals conduction of water and minerals absorption of water and minerals in plants

Water absorbed by the roots reaches the leaves and is used in producing food for the entire plant.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The leaves prepare food for the plant, using water and carbon dioxide during photosynthesis. The roots have root hair. The roots hair increase the surface area of the root for the absorption of water and mineral nutrients dissolved in the water.

Multiple choice biology digestion and absorption nutrition deficiency diseases parts of the digestive system digestive system of human

Match the following nutrition/vitamin deficiences in column I
with causes/deficiencies is column II and choose the correct
option from the answer key

Column I Column II
(a) Kwashiorkor   (p) Iron
(b) General Anaemia  (q) Menadione
(c) Dermatitis  (r) Protein
(d) Marasmus  (s) Pyridoxin
(e) Bleeding  (t) Biotin























  1. (a) -(p) , (b)- (t) , (c) -(q) ,(d)- (r), (e) -(s)

  2. (a) -(t) , (b)- (q) , (c) -(r) ,(d)- (s), (e) -(p)

  3. (a) -(q) , (b)- (r) , (c) -(s) ,(d)- (p), (e) -(t)

  4. (a) -(r) , (b)- (p) , (c) -(t) ,(d)- (s), (e) -(q)

  5. (a) -(r) , (b)- (s) , (c) -(p) ,(d)- (t), (e) -(q)
Reveal answer Fill a bubble to check yourself
E Correct answer
Multiple choice biology digestion and absorption nutrition deficiency diseases parts of the digestive system digestive system of human

Kwashiorkor disease develops due to

  1. Malnutrition.

  2. Over eating.

  3. Catalysis.

  4. Mutation.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Kwashiorkor is malnutrition produced by a severely inadequate amount of protein in the diet. It is also called as protein malnutrition.
  • Symptoms include texture, fatigue, diarrhea, loss of muscle mass, failure to grow or gain weight, edema (swelling) of the ankles, feet, and belly, the damaged immune system, which can lead to more frequent and severe infections, irritability.
  • Hence Kwashiorkor disease develops due to Malnutrition.
  • So, the correct answer is 'Malnutrition'.
Multiple choice biology digestion and absorption nutrition deficiency diseases parts of the digestive system digestive system of human

Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to

  1. Vitamin A toxicity

  2. Kidney stones

  3. Hypercholesterolemia

  4. Urine laden with ketone bodies
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Continued consumption of fat rich diet causes hypercholesterolemia. Hypercholesterolemia is the presence of high levels of cholesterol in the blood. High cholesterol raises your risk for heart disease, heart attack and stroke. 

Kidney stones are solid mass made up of tiny crystals. There are different types of kidney stones. The exact cause depends on the type of stone like, calcium stones, uric acid stone etc. 
Vitamin A toxicity or hypervitaminosis A is having too much of vitamin A in the body. 
Ketonuria is condition in which ketone bodies are present in urine. Body produces excess ketone bodies as an alternate source of energy during starvation or diabetes mellitus (type 1).
Therefore, the correct answer is option C.

Multiple choice biology digestive system parts of the digestive system digestive system of human human digestive system

Salivary glands are____________

  1. Merocrine

  2. Apocrine

  3. Holocrine

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • A cell is classified as merocrine if the secretions of that cell are excreted via exocytosis from secretory cells into an epithelial-walled duct or ducts and then onto a bodily surface or into the lumen.
  •  The salivary glands are an example of merocrine glands. 
  • Hence, Salivary glands are Merocrine.
  • So, the correct answer is 'Merocrine'.
Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

Vivipary means

  1. Fruits are not formed.

  2. Germination of seed on mother plant.

  3. Formation of fruits directly by embryo.

  4. Production of fruitless plant.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vivipary is the condition, where the embryo grows first to break through the seed coat and then out of the fruit wall while still attached to the parent plant. This condition is found in Bruguiera, Ceriops, Kandelia and Rhizophora species.