Here we are providing Class 7 Science Objective Chapter – 1 Nutrition in Plantsbecause its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Science Objective Chapter – 1 Nutrition in Plants is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 7 Science Objective Chapter – 1 Nutrition in Plants 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 7 Science Objective Chapter – 1 Nutrition in Plants
1.Fungi is a
( A ) parasite
( B ) autotroph
( C ) saprotroph
( D ) insectivore
Ans – ( C )
2.The plant which traps and feeds on insects is:
( A ) Cuscuta
( B ) China rosa
( C ) Pitcher plant
( D ) Rose
Ans – ( A )
3.Human beings can be categorised as
( A ) parasite
( B ) heterotrophs
( C ) saprotrophs
( D ) autotrophs
Ans – ( B )
4.Plants take carbon dioxide from the atmosphere mainly through their:
( A ) Roots
( B ) Stem
( C ) Flowers
( D ) Leaves
Ans – ( A )
5.Human beings get food from
( A ) plants
( B ) animals
( C ) neither ( A ) or (b)
( D ) both ( A ) and (b)
Ans – ( D )
6.The internal factor affecting the process of photosynthesis is:
( A ) Temperature
( B ) Chlorophyll
( C ) Light
( D ) Water
Ans – ( A )
7.Parasites obtain their food from
( A ) insects
( B ) plants
( C ) animals
( D ) all of these
Ans – ( D )
8.Which part of plant is called food factory?
( A ) Fruits
( B ) Seeds
( C ) Leaves
( D ) Flowers
Ans – ( C )
9.Organisms need nutrition to:
( A ) Obtain energy
( B ) Fight against diseases
( C ) Grow
( D ) All of these
Ans – ( A )
10.The green pigment that is present in the leaves are called
( A ) haemoglobin
( B ) globulin
( C ) albumin
( D ) chlorophyll
Ans – ( D )
11.The chemical used in starch test is:
( A ) Safranin
( B ) Blue ink
( C ) Iodine
( D ) Litmus
Ans – ( A )
12.Which of the following is an insectivorous plant?
( A ) Pitcher plant
( B ) Cuscuta
( C ) Algae
( D ) Lichens
Ans – ( A )
13.Pitcher plant falls in the category of:
( A ) Herbivore
( B ) Insectivore
( C ) Carnivore
( D ) None of these
Ans – ( A )
14.Which of the following is a nutrient?
( A ) Fats
( B ) Vitamins
( C ) Proteins
( D ) All of these
Ans – ( D )
15.Parasites:
( A ) live on dead organisms
( B ) eat animals
( C ) prepare their own food
( D ) live on other living beings
Ans – ( A )
16.The organisms which prepare their own food are known as
( A ) saprotrophs
( B ) autotrophs
( C ) heterotrophs
( D ) none of these
Ans – ( B )
17.Water reaches the leaves from the root by:
( A ) Stomata
( B ) Phloem
( C ) Xylem
( D ) None of these
Ans – ( A )
18.________ is essential for all living organisms.
( A ) Protein
( B ) Fat
( C ) Food
( D ) None of these
Ans – ( C )
19.It is not advisable to sit under the trees at night because:
( A ) Carbon dioxide ratio is higher under the trees at night
( B ) Trees sleep at night
( C ) Plants make food during the night
( D ) None of these
Ans – ( A )
20.Photosynthesis will not occur in leaves in the absence of
( A ) guard cells
( B ) chlorophyll
( C ) vacuole
( D ) space between cells
Ans – ( B )
21.The gas used from the atmosphere during photosynthesis is:
( A ) Hydrogen
( B ) Nitrogen
( C ) Carbon dioxide
( D ) Oxygen
Ans – ( A )
22.The raw materials used for photosynthesis are:
( A ) CO2, O2 H2
( B ) CO2, water
( C ) N2, water
( D ) O2 water
Ans – ( B )
23.The gas used from the atmosphere during photosynthesis is:
( A ) Hydrogen
( B ) Nitrogen
( C ) Carbon dioxide
( D ) Oxygen
Ans – ( A )
24.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
Ans – ( B )
25.The ultimate source of energy for all living organisms is:
( A ) Plants
( B ) Sun
( C ) Oxygen
( D ) None of these
Ans – ( A )
26.Ultimate source of energy is
( A ) chemical energy
( B ) wind energy
( C ) solar energy
( D ) water energy
Ans – ( A )
27.Product of photosynthesis are:
( A ) Carbon dioxide and oxygen
( B ) Carbohydrate and carbon dioxide
( C ) Carbohydrate and oxygen
( D ) None of these
Ans – ( A )
28.Which one of the following is an autotroph?
( A ) Lichens
( B ) Algae
( C ) Fungus
( D ) Cuscuta
Ans – ( B )
29.A parasitic plant with yellow, slender and tubular stem is:
( A ) Pitcher plant
( B ) Cuscuta
( C ) Sunflower
( D ) None of these
Ans – ( A )
30.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)
Ans – ( A )
31.The mode of nutrition in which organisms take in nutrients in solution form from dead and decaying matter is:
( A ) Heterotrophic nutrition
( B ) Autotrophic nutrition
( C ) Saprotrophic nutrition
( D ) None of these
Ans – ( A )
32.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
Ans – ( B )
33.Which of the following shows symbiotic relationship ?
( A ) Lichens
( B ) Rhizobium bacteria and leguminous plants
( C ) Both ( A ) and (b)
( D ) None of these
Ans – ( A )
34.Yeast, mushroom and bread-mould are
( A ) autotrophic
( B ) insectivorous
( C ) saprophytic
( D ) parasitic
Ans – ( C )
35.The process by which green plants prepare their own food is known as:
( A ) Transpiration
( B ) Photosynthesis
( C ) Respiration
( D ) None of these
Ans – ( A )
36.Numerous small openings observed under the lower surface of a leaf through a magnifying lens are:
( A ) stomata
( B ) lamina
( C ) midrib
( D ) veins
Ans – ( A )
37.Stomata are present on:
( A ) Stems
( B ) Leaves
( C ) Flowers
( D ) All of these
Ans – ( A )
38.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
Ans – ( D )
39.Which of the following is insectivorous plant ?
( A ) Mushroom
( B ) Fungi
( C ) Pitcher
( D ) Cuscuta
Ans – ( A )
40.Plants take in carbon dioxide from the atmosphere generally through
( A ) flowers
( B ) stem
( C ) root
( D ) leaves
Ans – ( D )
41.Rhizobium is a:
( A ) Bacteria
( B ) Fungi
( C ) Algae
( D ) None of these
Ans – ( A )
42.Insectivorous plants are found in
( A ) marshy areas
( B ) deserts areas
( C ) aquatic areas
( D ) mesophytes
Ans – ( A )
43.Two different organisms living together and both benefitted from each other, are called as:
( A ) Saprophytic
( B ) Parasitic
( C ) Heterotrophic
( D ) Symbiotic
Ans – ( A )
44.Which one of the following is an autotrophic organism?
( A ) Mango
( B ) Dog
( C ) Human
( D ) Cuscuta
Ans – ( A )
45.Green plants are known as:
( A ) Heterotrophs
( B ) Autotrophs
( C ) Saprotrophs
( D ) None of these
Ans – ( A )
46.Guard cell in dicots are
( A ) dumbbell-shaped
( B ) biconcave
( C ) biconvex
( D ) bean-shaped
Ans – ( D )
47.Which of the following is not required for photosynthesis:
( A ) Sunlight
( B ) Water
( C ) Oxygen
( D ) Carbon dioxide
Ans – ( A )
48. All animals are dependent on plants for
( A ) food
( B ) water
( C ) minerals
( D ) fat
Ans – ( A )
49.The gas produced during photosynthesis is:
( A ) Oxygen
( B ) Carbon dioxide
( C ) Nitrogen
( D ) None of these
Ans – ( A )
50.The study of the role of different components of the diet of living organism is called
( A ) science of nutrition
( B ) science of diet
( C ) science of food
( D ) science of minerals
Ans – ( A )
51.The solar energy is captured by which part of the plant ?
( A ) Stem
( B ) Leaves
( C ) Root
( D ) Flower
Ans – ( A )
52.Most of the plants are
( A ) omnivores
( B ) herbivores
( C ) heterotrophs
( D ) autotrophs
Ans – ( D )
53.The pores on the lower surface of leaf are:
( A ) Stomata
( B ) Chlorophyll
( C ) Xylem
( D ) Phloem
Ans – ( A )
54.Photosynthesis occurs only in
( A ) green plants
( B ) fungi
( C ) all plants
( D ) aquatic plants
Ans – ( A )
55.Which of the following is not an end product of photosynthesis ?
( A ) Carbon dioxide
( B ) Oxygen
( C ) Water vapour
( D ) Glucose
Ans – ( A )
56.Which one of the following is an omnivorous organism?
( A ) Lion
( B ) Crow
( C ) Horse
( D ) Cow
Ans – ( B )
57.The external factor affecting the process of photosynthesis is:
( A ) Oxygen
( B ) Temperature
( C ) Chlorophyll
( D ) None of these
Ans – ( A )
58.Food is used as source of
( A ) cohesive
( B ) water
( C ) adhesive
( D ) nourishment
Ans – ( D )
59.Which part of the plant gets carbon dioxide from the air for photosynthesis ?
( A ) Root hair
( B ) Leaf veins
( C ) Sepals
( D ) Stomata
Ans – ( A )
60.Opening and closing of stomata is controlled by
( A ) nucleus
( B ) accessory cells
( C ) stoma
( D ) guard cells
Ans – ( D )
61.Amarbel is an example of:
( A ) Autotroph
( B ) Parasite
( C ) Saprotroph
( D ) Host
Ans – ( B )
62.Which material is not required for photosynthesis?
( A ) Water
( B ) Carbon dioxide
( C ) Chlorophyll
( D ) Oxygen
Ans – ( D )
63.Human beings can be categorised as
( A ) heterotrophs
( B ) autotrophs
( C ) parasites
( D ) saprotrophs
Ans – ( A )
64.traps the energy from sunlight.
( A ) Stomata
( B ) Guard cells
( C ) Chlorophyll
( D ) Xanthophylls
Ans – ( C )
65.The food making process in plants is called as
( A ) glycolysis
( B ) photosynthesis
( C ) photolysis
( D ) chemosynthesis
Ans – ( B )
66.Which of the following is the ultimate source of energy for all living organisms?
( A ) Plants
( B ) Animals
( C ) Water
( D ) Sun
Ans – ( D )
67.Which part of the plant is called its food factory ?
( A ) Fruits
( B ) Seeds
( C ) Leaves
( D ) Flowers
Ans – ( C )
68.The substance synthesised during photosynthesis is
( A ) protein
( B ) maltose
( C ) fructose
( D ) glucose
Ans – ( D )
69.Tiny pores present on the surface of leaves through which gaseous exchange occurs are called
( A ) stomata
( B ) guard cells
( C ) food holes
( D ) gas holes
Ans – ( A )
70.Which one of the following is a parasite?
( A ) Lichens
( B ) Algae
( C ) Cuscuta
( D ) Fungus
Ans – ( C )
71.What is the ultimate source of energy for all living organisms?
( A ) Water energy
( B ) Wind energy
( C ) Solar energy
( D ) Chemical energy
Ans – ( C)
72.Pitcher plant is an example of
( A ) autotroph
( B ) heterotroph
( C ) saprotroph
( D ) partial heterotroph
Ans – ( D )
73.Green pigment present in the leaves is called
( A ) haemoglobin
( B ) globulin
( C ) albumin
( D ) chlorophyll
Ans – ( D )
74. The plant which traps and feeds on insects is:
( A ) Cuscuta
( B ) China rosa
( C ) Pitcher plant
( D ) Rose
Ans – ( A )
75.Fungi can grow on
( A ) pickles
( B ) leather and clothes
( C ) dead and decaying matter
( D ) all of these
Ans – ( D )
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