Please select a subject first
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______ is a non-endospermic seed.
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Which physiological activity is NOT influenced by abscisic acid?
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Match the column I (Type of chromosome) with column II (name of chromosome).
| Type of chromosome | Name of chromosome | ||
| i. |  |
P. | Acrocentric |
| ii. |  |
Q. | Telocentric |
| iii. |  |
R. | Metacentric |
| iv. |  |
S. | Sub-metacentric |
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How abscisic acid helps plants to overcome stress?
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Identify the function of micropyle in seed.
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Identify the character of angiosperms that helped in their dominance on earth.
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Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Monocyte | a. |  |
| ii. | Eosinophil | b. |  |
| iii. | Lymphocyte | c. |  |
| iv. | Neutrophil | d. |  |
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Telocentric chromosome differs from acrocentric chromosome in that ____________.
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Which of the following is a primary constriction?
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Read the following statements regarding 'X and Y' chromosomes and select the correct option.
P - Due to presence of large amount of euchrornatin X chromosome is genetically more active.
Q - Due to presence of small amount of heterochromatin Y chromosome is genetically more active.
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During cell division, spindle fibres get attached to the disc shaped structures present on the centromere are known as ______.
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Adverse environmental condition results in production of ______ in plants.
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Match the Column I (WBC), with Column II (Shape of the nucleus) and Column III (Functions) and select the correct option.
| I | II | III | |||
|
i. |
Monocyte | a. | Large round nucleus | l. | Antihistamine property |
| ii. | Lymphocyte | b. | Twisted nucleus | m. | Release heparin |
| iii. | Basophil | c. | Bilobed nucleus | n. | Phagocytic |
| iv. | Eosinophil | d. | Kidney shaped nucleus | o. | Produce antibodie |
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Abscisic acid functions as
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From which of the following a true fruit is developed?
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From the following identify the INCORRECT statement/s with respect to the chromosomes.
i. Chromosomes are capable of self replication and play vital role in heredity, mutation, variation, and evolutionary development of eukaryotic species.
ii. Chromosomes are visible during cell division.
iii. Chemically eukaryotic chromosomes are made of mRNA, histone and non-histone proteins.
iv. The number of chromosomes varies within the population of a particular species.
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______ refers to persistent nucellus in the seed.
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Identify the process involved in seed formation without fertilization in flowering plants.
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During drought, ______ brings about closing of stomata.
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______ is growth inhibitor.
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