Related Questions
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4
Which of the following statements is correct?
A. Imbricate aestivation is found in papilionaceous family.
B. Generally sepals are green, leaf like and protect the flowers in the bud stage.
C. In cymose type of inflorescence, the main axis terminates in a flower, hence is limitless in growth.
D. In axile placentation ovary is one chambered but it becomes two cambered due to formation of the false septum.
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4
Ginger is an underground stem. It is distinguished from root because
C. it has nodes and internodes.
D. it has xylem and vessels.
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4
Read the following statements and answer the questions.
- Gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level.
- Ovary is half-inferior.
- Examples are plum, rose and peach.
Which condition of flowers is being described by the above statements ?
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4
The given figures (A & B) show two types of compound leaves. Choose the option which identity the correct compound leaf and their example (c).
A. A - Pinnately compound leaf, C - Neem
B. A - Palmately compound leaf, C - Neem
C. B- Pinnately compound leaf, C - Silk cotton
D. B- Palmately compound leaf, C - Silk cotton
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4
Which one of the following characteristics does not belong to parietal placentation?
A. Ovules are borne on central axis.
B. Ovary is one-chambered but it becomes two-chambered due to the formation of false septum.
C. Examples are mustard and Argemone.
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4
Pollen grains are produced within _________of stamen.
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4
Roots develop from parts of the plant other than radicle are called
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4
The given figure (A, B, and C) shows different types of roots. Identify the root which is seen in wheat plant and originate from the base of the stem?
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4
Which of the following groups of plants have underground stems?
A. Potato, ginger, turmeric, Euphorbia, zaminkand
B. Potato, ginger, turmeric, zaminkand, Colocasia
C. Potato, Citrus, Opuntia, zaminkand, Colocasia
D. Potato, cucumber, watermelon, zaminkand, Colocasia
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4
Which of the following is an example of pinnately compound leaf ?
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4
Which of the following is a modified stem for the protection of plants from browsing animals?
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4
Which one of the following structure is not associated with gynoecium?
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4
Match the following placentation types given in column I with their examples given in column II and choose the correct combination from the options given below.
(Placentation Types) | (Examples) |
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A. Basal | I. Dianthus |
B. Free central | II. Pea |
C. Parietal | III. Lemon |
D. Axile | IV. Marigold |
E. Marginal | V. Argemone |
A. A I, B II, C III, D IV, E V
B. A II, B III, C IV, D V, E I
C. A IV, B I, C V, D III, E II
D. A IV, B III, C V, D I, E II
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4
Read the following statements and answer the question.
- It is the pattern of arrangement of leaves on the stem or branch.
- It is usually of three types - alternate, opposite and whorled.
- It is meant for getting maximum amount of light. statements?
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4
Stilt roots occur in __________ .
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4
The flower is the reproductive unit in the ___________ meant for ___________ reproduction.
A. angiosperms and sexual
B. gymnosperms and sexual
D. pteridophytes and asexual
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4
Identify the inflorescence shown by the given figures A and B.
C. A-Racemose, B-Racemose
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4
The given figure shows the parts of flowering plant. Which parts of the given figure were involved in the following functions:
- Storing reserve food material
- Synthesis of plant growth regulators.
- Absorption of water and minerals from the soil.
- Providing a proper anchorage to the plant parts
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4
Match column - I, II and III and choose the correct option.
A. A - V, t; B - II, s; C -I, r; D -III, q; E -IV, p
B. A - I, t; B - II, s; C - III, r; D - IV, p; E - V, q
C. A - V, p; B - II, s; C - I, q; D - III, r; E - IV, t
D. A - V, p; B - III, q; C - II, s; D - I, t; E - IV, r
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4
Which of the following represents the floral characters of liliaceae?
A. Six tepals, zygomorphic, six stamens, bilocular ovary, axile placentation.
B. Actinomorphic, polyphyllous, unilocular ovary, axile placentation.
C. Tricorpellary, actinomorphic, polyandrous, superior ovary, axile placentation.
D. Bisexual, zygomorphic, gamophyllous, inferior ovary, marginal placentation.
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4
Cotyledons and testa respectively are edible parts in which of the following group?
C. french bean and coconut
D. groundnut and pomegranate
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4
Most prominent function of inflorescence is
B. formation of more fruits.
C. formation of pollen grains.
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4
The given figure shows the parts of mango and coconut. Choose the option which shows the correct labelling of A, B, C and D marked in the figures.
A. A - Epicarp, B - Mesocarp, C - Seed, D - Endocarp
B. A - Epicarp, B - Mesocarp, C - Ovule, D - Endocarp
C. A - Epicarp, B - Mesocarp, C - Ovary, D - Endocarp
D. A - Epicarp, B - Mesocarp, C - Embryo, D - Endocarp
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4
Given figures (A, B and C) shows the position of floral parts on thalamus. (given as I, II and III) Select the correct combination.
- Hypogynous flower
- Perigynous flower
- Epigynous flower
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4
Which of the following statement(s) is/are correct about venation?
(i) The arrangement of veins and the veinlets in the lamina of leaf is called venation.
(ii) Reticulate venation is the characteristic of monocots.
(iii) When the veinlets form a network, the venation is termed as reticulate venation.
(iv) When the veins run parallel to each other, within a lamina, the venation is termed as parallel venation.
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4
Match the column-I containing types of aestivation with their examples given in column-II and choose the correct option.
Column - I | Column-II |
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(Type of aestivation) | (Examples) |
A. Valvate | I. Cotton |
B. Twisted | II. Calotropis |
C. Imbricate | III. Bean |
D. Vexillary | IV. Gulmohar |
A. A I; B II; C IV; D III
B. A II; B I; C IV; D III
C. A II; B IV; C I; D III
D. A II; B I; C III; D IV
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4
Which of the following statement (s) is/are not correct?
- Calyx and corolla are reproductive organs of a flower.
- Zygomorphic flower can be divided into two equal radial halves in any radial plane.
- Flowers without bracts are termed as bracteate.
- Parthenocarpic fruit is formed after fertilization of the ovary.
- In legumes, seed is non-endospermic.
- Radical buds develop on roots.
A. (i) , (ii), (iii) and (iv)
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4
Which of the following statements are correct?
- From the region of elongation, some of the epidermal cells form root hairs.
- Pneumatophores are seen in Rhizophora.
- Adventitious roots are seen in the banyan tree.
- Maize and sugarcane have prop roots.
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4
Which type of function is performed by the fleshy leaves of onion and garlic?
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4
Match column-I with column-II and choose the option which shows their correct combination.
Column-I | Column-II |
---|
A. Gamosepalous | I. Flower of lily |
B. Polysepalous | II. Sterile anther |
C. Gamopetalous | III. Free petals |
D. Polypetalous | IV. Free sepals |
E. Epiphyllous | V. Fused petals |
F. Staminode | VI. Fused sepals |
A. A IV, B V, C III, D I, E VI, F II
B. A IV, B III, C V, D I, E II, F VI
C. A VI, B IV, C III, D V, E I, F II
D. A VI, B IV, C V, D III, E II, F I