Consider the following food components and their functions. Which one of the following option correctly matches column - I to that of II?Column-I Column-II (i) Fats (A) Help in digestion (ii) Proteins (B) Immunity building foods (iii) Vitamins (C) Body building foods (iv) Dietary fibres (D) Energy giving foods
(i) - (D) (ii) - (C) (iii) - (B) (iv) - (A)
Fats are the most energy-dense nutrient and are broken down by the body to release energy, so Fats are energy giving foods — (i) matches (D).
Proteins are needed to build and repair muscles, tissues and cells, so Proteins are body building foods — (ii) matches (C).
Vitamins strengthen the body's defence mechanisms and help it resist infections, so Vitamins are immunity building foods — (iii) matches (B).
Dietary fibres add bulk to food and help move food smoothly through the intestines, so Dietary fibres help in digestion — (iv) matches (A).
Hence, the correct matching is (i) - (D), (ii) - (C), (iii) - (B), (iv) - (A).
Which of the following process(es) take(s) place in plants?
(A) Excretion
(B) Transpiration
(C) Absorption
(D) Assimilation
(E) Ingestion
Assertion: The leaves other than green also have chlorophyll.
Reason: Photosynthesis takes place in these leaves also.
Which one of the following options is correct?
| Column-I | Column-II |
| (i) Xylem | (A) Evaporation of water |
| (ii) Phloem | (B) Transport of nutrients and water |
| (iii) Root hair | (C) Absorption of water |
| (iv) Stomata | (D) Transport of food materials |
Which one of the following options correctly matches column-I to that of column-II?
Which one of the following option is incorrect about excretory system of animals?
Identify only the true statement/s.
(A) Corn, papaya and cucumber produce unisexual flowers
(B) Mustard, rose and petunia have bisexual flowers
(C) The ovary contains one or more ovules
(D) After fertilization, the ovule develops as the fruit of the plant
Read the following statements and choose the correct option:
Assertion: Presence of starch in leaves indicates the occurrence of photosynthesis.
Reason: Carbohydrate formed during photosynthesis ultimately gets converted to starch.
Which of the following occurs when an organism absorbs the chemicals at a faster rate then the metabolic capacity of their body?
Which of the following is a primary producer in a food chain?
Aphim, Morphin, Heroin, Methodine are the examples of:
Due to which change in environment that Rekha's mother told Rekha not to sleep below the tree ?
Which of the following plays an important role in balancing oxygen and carbon dioxide in the atmosphere?