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question_answer1)
Which of the following arrows show the processes that green plants go through in the day in the presence of sunlight during photosynthesis?
A)
P and Q only done
clear
B)
P and R only done
clear
C)
Q and R only done
clear
D)
P, Q and R only done
clear
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question_answer2)
Which arrow(s), P, Q, R or S, is/are drawn wrongly?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer3)
Which of these contains the water- carrying tubes and the food-carrying tubes?
A)
Leaves done
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B)
Stems done
clear
C)
Roots done
clear
D)
All of the above done
clear
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question_answer4)
Which of the following is NOT taken by a green plant?
A)
Air done
clear
B)
Water done
clear
C)
Food done
clear
D)
Sunlight done
clear
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question_answer5)
Which of the following is classified correctly?
A)
B)
C)
D)
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question_answer6)
Which of the following substances are transported by the arrows shown in the given plant?
(i) Water |
(ii) Mineral Salts |
(iii) Oxygen |
(iv) Sugar |
A)
(i) and (ii) only done
clear
B)
(iii) and (iv) only done
clear
C)
(i), (ii) and (iii) only done
clear
D)
(i), (ii), (iii) and (iv) done
clear
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question_answer7)
Which part of the plant helps to conduct water and food to the plant?
A)
Root done
clear
B)
Stem done
clear
C)
Flower done
clear
D)
Leaf done
clear
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question_answer8)
Which of the following parts of a plant anchor it to the ground?
A)
Root done
clear
B)
Stem done
clear
C)
Leaf done
clear
D)
Flower done
clear
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question_answer9)
What do the arrows in the figure given indicate?
A)
The process of transpiration done
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B)
The exchange of gases with the surroundings. done
clear
C)
Transportation of sugar. done
clear
D)
Path taken by sunlight. done
clear
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question_answer10)
Which part protects the flower in bud condition?
A)
Sepals done
clear
B)
Petals done
clear
C)
Anther done
clear
D)
Stigma done
clear
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question_answer11)
Which part of a plant is also called the stalk of a leaf?
A)
Sessile done
clear
B)
Plumule done
clear
C)
Stipule done
clear
D)
Petiole done
clear
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question_answer12)
Which of the following plants have tap root system?
A)
Balsam done
clear
B)
Grass done
clear
C)
Maize done
clear
D)
Wheat done
clear
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question_answer13)
Which of the following should come in the empty box given below?
A)
Flowers done
clear
B)
Stem done
clear
C)
Fruits done
clear
D)
Bark done
clear
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question_answer14)
Which of these are transported by the arrow marked T in the given figure?
A)
Transport of food. done
clear
B)
Transport of carbon dioxide. done
clear
C)
Transport of water and minerals. done
clear
D)
All of the above. done
clear
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question_answer15)
Identify P, Q, R and S.
A)
P-style, Q-stigma, R-ovule, S-ovary. done
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B)
P-stigma, Q-style, R-ovary, S-ovule. done
clear
C)
P-style, Q-ovary, R-ovule, S-ovary. done
clear
D)
P-style, Q-ovule, R-ovary, S-ovary. done
clear
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question_answer16)
Which option should come in the empty box X in the given sequence?
A)
Thalamus done
clear
B)
Pedicel done
clear
C)
Bract done
clear
D)
Androecium done
clear
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question_answer17)
What is the use of the nectar in a flower?
A)
Supplies sugar for the growth of the pollen tubes. done
clear
B)
Supplies a lubricant for the pollen tubes to enter the ovules. done
clear
C)
Gives an unpleasant smell to insects for fertilization. done
clear
D)
Produces a sweet liquid to attract insects for pollination. done
clear
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question_answer18)
What is the function of the tendrils of the cucumber plant?
A)
It holds the plant firmly to the ground. done
clear
B)
It helps the plant to climb up a support. done
clear
C)
It stores nutrients for the plant. done
clear
D)
It helps the plant to carry out photosynthesis. done
clear
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question_answer19)
What is the function of the part labelled X in the figure given below?
A)
It conducts food to the leaves and water to other parts of plants. done
clear
B)
It conducts water to the leaves and releases oxygen and carbondioxide into the air. done
clear
C)
It provides support to the leaf and help in transportation of water, minerals and food materials. done
clear
D)
It throws out excess water in the form of water vapour into the air. done
clear
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question_answer20)
Which of the following represents X, Y and Z in the figure given below?
A)
B)
C)
D)
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question_answer21)
Which characteristics is common to gourd, passion flower and grapevine?
A)
They are shrubs. done
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B)
They are trees. done
clear
C)
They are climbers. done
clear
D)
They are herbs. done
clear
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question_answer22)
Which is the characteristic feature of the lamina of a leaf?
A)
The main vein present on the mid rib of the leaf. done
clear
B)
Broad expanded green part of the leaf. done
clear
C)
Small leaves at the base of petioles. done
clear
D)
Chloroplast which contains the chlorophyll pigment. done
clear
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question_answer23)
Which of the following is the characteristic feature of parallel venation?
A)
Veins form a network on the leaf. done
clear
B)
Veins run parallel to the midrib. done
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C)
Veins run horizontal to the midrib. done
clear
D)
Veins crisscross each other to form an irregular pattern. done
clear
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question_answer24)
What is the characteristic feature of reticulate venation?
A)
Veins form a network on the leaf. done
clear
B)
Veins run parallel to the midrib. done
clear
C)
Veins run horizontal to the midrib. done
clear
D)
Veins are found only on the edge of leaf. done
clear
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question_answer25)
Parallel venation is observed mostly in which of the following plants?
A)
Monocot plants done
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B)
Dicot plants done
clear
C)
Thallophytes done
clear
D)
Bryophytes done
clear
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question_answer26)
Reticulate venation is observed mostly in which of the following plants?
A)
Monocot plants done
clear
B)
Dicot plants done
clear
C)
Thallophytes done
clear
D)
Bryophytes done
clear
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question_answer27)
In which of the following processes do plants lose water in the form of water vapour through the leaves and stem?
A)
Transpiration done
clear
B)
Respiration done
clear
C)
Photosynthesis done
clear
D)
Pollination done
clear
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question_answer28)
Which of the following is the swollen part of the pedicel?
A)
Petiole done
clear
B)
Stipule done
clear
C)
Sessile done
clear
D)
Thalamus done
clear
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question_answer29)
Which of the following are the male reproductive organs of a flower?
A)
Sepals done
clear
B)
Petals done
clear
C)
Stamens done
clear
D)
Pistil done
clear
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question_answer30)
Which of the following is the female reproductive organ in a flower?
A)
Sepals done
clear
B)
Petals done
clear
C)
Stamens done
clear
D)
Carpels done
clear
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question_answer31)
Which of the following is the function of brightly coloured petals?
A)
To reflect more sunlight. done
clear
B)
To prepare more food. done
clear
C)
To attract insects. done
clear
D)
There is no specific reason. done
clear
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question_answer32)
What are the parts of the pistil?
A)
Anther, pollen grain and pollen-sacs. done
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B)
Ovary, style and stigma. done
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C)
Pedicel, thalamus and flower bud. done
clear
D)
Calyx, corolla and androecium. done
clear
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question_answer33)
What is the reason behind the stigma being sticky?
A)
To produce more gum. done
clear
B)
To stick the ovules together. done
clear
C)
To trap pollen grains. done
clear
D)
There is no specific function. done
clear
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question_answer34)
Which of the following represents X in the given statement?
X bends towards light and transports water, minerals and food. |
A)
Flower done
clear
B)
Roots done
clear
C)
Stem done
clear
D)
Leaf done
clear
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question_answer35)
Identify x in the given figure.
A)
Reduced stem done
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B)
Reduced leaf done
clear
C)
Reduced tendril done
clear
D)
Reduced stipules done
clear
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question_answer36)
Study the diagram given below.
Which labelled arrow represents the movement of oxygen?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer37)
Identify the plants that shows the given characteristics.
Have fibrous roots |
Have petals in multiples of three |
Bears leaves with parallel veins |
A)
Maize and balsam. done
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B)
Balsam and hibiscus. done
clear
C)
Paddy and maize. done
clear
D)
Sugarcane and hibiscus. done
clear
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question_answer38)
Which of the following plants has modified stem that stores extra food?
A)
Pea done
clear
B)
Maize done
clear
C)
Radish done
clear
D)
Ginger done
clear
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question_answer39)
Identify the characteristic common to both the leaves?
A)
They have the same venation. done
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B)
They have the same edges. done
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C)
Their shapes are the same. done
clear
D)
Their plants have different kinds of roots. done
clear
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question_answer40)
Which of the following features are useful for desert plants?
A)
Leaf hairs done
clear
B)
Large flat leaves done
clear
C)
Needle like leaves done
clear
D)
All of these done
clear
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question_answer41)
Which of the following plants would have a root structure similar to one shown in the figure given below?
A)
Marigold done
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B)
Mango done
clear
C)
Paddy done
clear
D)
Balsam done
clear
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question_answer42)
A)
Guava done
clear
B)
Beans done
clear
C)
Pumpkin done
clear
D)
Carrot done
clear
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question_answer43)
Which of these plant parts protect the seeds?
A)
B)
C)
D)
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question_answer44)
Identify X in the given figure.
A)
Lamina done
clear
B)
Petiole done
clear
C)
Midrib done
clear
D)
Vein done
clear
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question_answer45)
Which of the groups of plants are too weak to stand upright?
A)
Trees done
clear
B)
Creepers done
clear
C)
Herbs done
clear
D)
Shrubs done
clear
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