Question 1.
Fungi is a
(a) insectivore
(b) autotroph
(c) saprotroph
(d) parasite
Answer: (c) saprotroph
Question 2.
Human beings can be categorised as
(a) parasite
(b) heterotrophs
(c) saprotrophs
(d) autotrophs
Answer: (b) heterotrophs
Question 3.
Human beings get food from
(a) plants
(b) animals
(c) neither (a) or (b)
(d) both (a) and (b)
Answer: (d) both (a) and (b)
Question 4.
Parasites obtain their food from
(a) insects
(b) plants
(c) animals
(d) all of these
Answer: (d) all of these
Question 5.
Which part of plant is called food factory?
(a) Fruits
(b) Seeds
(c) Leaves
(d) Flowers
Answer: (c) Leaves
Question 6.
Which of the following is an insectivorous plant?
(a) Pitcher plant
(b) Cuscuta
(c) Algae
(d) Lichens
Answer: (a) Picher plants
Question 7.
Which of the following is a nutrient?
(a) Fats
(b) Vitamins
(c) Proteins
(d) All of these
Answer: (d) Allof these
Question 8.
The organisms which prepare their own food are known as
(a) saprotrophs
(b) autotrophs
(c) heterotrophs
(d) none of these
Answer: (b) autotrophs
Question 9.
________ is essential for all living organisms.
(a) Protein
(b) Fat
(c) Food
(d) None of these
Answer: (c) Food
Question 10.
Photosynthesis will not occur in leaves in the absence of
(a) guard cells
(b) chlorophyll
(c) vacuole
(d) space between cells
Answer: (b) chlorophyll
Question 11.
The raw materials used for photosynthesis are:
(a) CO2, O2 H2
(b) CO2, water
(c) N2, water
(d) O2 water
Answer: (b) CO2, water
Question 12.
When two organisms are good friends and live together and they benefit each other. Such an association
of organisms is termed as
(a) saprophyte
(b) parasite
(c) autotroph
(d) symbiosis
Answer: (d) symbiosis
Question 13.
The process by which green plants prepare their own food in the presence of sunlight is called
(a) saprophytic nutrition
(b) photosynthesis
(c) cellular nutrition
(d) nutrition
Answer: (b) photosynthesis
Question 14.
Ultimate source of energy is
(a) chemical energy
(b) wind energy
(c) solar energy
(d) water energy
Answer: (c) solar energy
Question 15.
The green pigment that is present in the leaves are called
(a) haemoglobin
(b) globulin
(c) albumin
(d) chlorophyll
Answer: (d) chlorophyll
Question 16.
Which one of the following is an autotroph?
(a) Lichens
(b) Algae
(c) Fungus
(d) Cuscuta
Answer: (b) Algae
Question 17.
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below
(a) (i) and (iv)
(b) (ii) only
(c) (ii) and (iii)
(d) (i) and (ii)
Answer: (a) (i) and (iv)
Question 18.
Which one of the following is a parasite?
(a) Lichens
(b) Algae
(c) Cuscuta
(d) Fungus
Answer: (c) Cuscuta
Question 19.
Which one of the following is an omnivorous organism?
(a) Lion
(b) Crow
(c) Horse
(d) Cow
Answer: (b) Crow
Question 20.
Pitcher plant traps insects because it
(a) is a heterotroph
(b) grows in soils which lacks nitrogen
(c) does not have chlorophyll
(d) has a digestive system like human beings
Answer: (b) grows in soils which lacks nitrogen
Question 21.
Yeast, mushroom and bread-mould are
(a) autotrophic
(b) insectivorous
(c) saprophytic
(d) parasitic
Answer: (c) saprophytic
Question 22.
Pitcher plant is an example of
(a) autotroph
(b) heterotroph
(c) saprotroph
(d) partial heterotroph
Answer: (d) partial heterotroph
Question 23.
Numerous small openings observed under the lower surface of a leaf through a magnifying lens are:
(a) stomata
(b) lamina
(c) midrib
(d) veins
Answer: (a) stomata
Question 24.
Most of the plants are
(a) omnivores
(b) herbivores
(c) heterotrophs
(d) autotrophs
Answer: (d) autotropes
Question 25.
Plants take in carbon dioxide from the atmosphere generally through
(a) flowers
(b) stem
(c) root
(d) leaves
Answer: (d) leaves