Please select a subject first
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How long does human pregnancy last from the start of the last menstrual cycle?
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______ is a wheat variety with high protein content.
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Which weeks of pregnancy are classified as second trimester?
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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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Which of the following is a feature generally observed during the second trimester of pregnancy?
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In compliance with the Convention on Biological Diversity (CBD), which Act was passed in 2002?
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Identify the term that represents the degree of repetition of the primary basic number of chromosomes in a cell.
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From the following identify the statements that are CORRECT with respect to homologous and non-homologous region of X and Y chromosomes.
i. Non-homologous region of X chromosome is longer and contains more genes than that of non-homologous region of Y chromosome.
ii. X-linked genes are present on nonhomologous region of X-chromosome.
iii. Y-linked genes are present on homologous region of Y-chromosome.
iv. Crossing over occurs only between homologous regions of X and Y chromosomes.
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Match Column I and Column II and choose the correct option.
| Column 'A' | Column 'B' | ||
| i. | Callus | a. | Breeding crops for improving their nutritional value. |
| ii. | Morphogenesis | b. | DNA molecules carrying the desired gene. |
| iii. | Biofortification | c. | Unorganized mass of loosely arranged parenchymatous cells. |
| iv. | Vectors | d. | Development of different plant organs from callus. |
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At secondary constriction I, ______ becomes organized during interphase.
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Identify the process described in the following paragraph.
Repressible regulation of gene is seen when the end product of a biosyntbetic pathway like amino acid, is provided in the medium. At this time, internal biosynthesis of amino acid stops. It is negative control so the metabolite (amino acid) turns off a set of genes involved in producing that metabolite.
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Which group of vitamins given below are water-soluble?
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Chromosomal theory of inheritance was put forth by ______
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Which one of the following is NOT an extrinsic factor in the development of plants?
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Which of the following does NOT agree with chrotnosomal theory of inheritance?
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The gene which codes for enzyme β-galactosidase ______.
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Which of the following statement is not of bioethical concern?
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Which of the following is a wheat variety with high protein content?
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Atropine, a secondary metabolite is obtained from ______.
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