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In Mendel's experiments with garden peas, round seed shape (RR) was dominant over wrinkled seeds (rr), and yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?
Surgical methods of contraception prevent:
What change occurs by changing one base in DNA?
The genotype of a plant showing the dominant phenotype can be determined by:
What does the filiform apparatus do at the entrance into the ovule?
Match the Assisted Reproductive Technologies (ARTs) with their correct descriptions: I. Collected gametes are made to form the zygote in the laboratory. II. Zygote or early embryo with upto 8 blastomeres is transferred into the oviduct. III. Zygote with more than 8 blastomeres is transferred into the uterus. IV. Fusion of gametes within the female. V. Transfer of ovum from a donor to the oviduct of the recipient. VI. Sperm is injected into the ovum in-vitro.
Which of the following is/are related to STDs?
Wind pollinated flowers are:
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Match List-I with List-II: List-I A. Oxidative decarboxylation B. Glycolysis C. Oxidative phosphorylation D. Tricarboxylic acid cycle List-II I. Citrate synthase II. Pyruvate dehydrogenase III. Electron transport system IV. EMP pathway
One of the legal methods of birth control is:
A cell at the telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at the telophase stage. There is no formation of a cell plate and thus the cell is containing more chromosomes as compared to other dividing cells. This would result in:
Which of the following statements is incorrect regarding cellular respiration?
Stems modified into flat green organs performing the functions of leaves are known as?
Statutory ban on amniocentesis in India was necessary because:
Which statement is wrong for Krebs' cycle?
How many times decarboxylation occurs during each TCA cycle?
What is the role of NAD+ in cellular respiration?
Anemophilly type of pollination is found in:
Which of the following statements are correct about Klinefelter's Syndrome?