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Which of the following is not a sexually transmitted disease?
Concanavalin A is
Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): ATP is used at two steps in glycolysis. Reason (R): First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate. In the light of the above statements, choose the correct answer from the options given below:
Match the trophic levels with their correct species examples in grassland ecosystem. (a) Fourth trophic level (i) Crow (b) Second trophic level (ii) Vulture (c) First trophic level (iii) Rabbit (d) Third trophic level (iv) Grass Select the correct option
If a female having gene for haemophilia and colour-blindness on one X-chromosome marries a normal male, then what are the chances in their offspring?
F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1:2:1. It represents a case of:
One of the legal methods of birth control is:
Select the correct statement:
Perigynous flowers are found in:
Which of the following statements is not correct?
In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:
Match List-I with List-II. List-I A. Centromere B. Cilium C. Cristae D. Cell membrane List-II I. Mitochondrion II. Cell division III. Cell movement IV. Phospholipid Bilayer
What is true for IUDs? I: They are self-inserted II: They are inserted by expert nurses III: They may be non-medicated IUDs, copper releasing IUDs or hormone releasing IUDs. IV: They are the one of the most widely accepted contraceptives in India. V: They are inter-uterine devices
Condoms are barriers that cover:
Match List-I with List-II: List-I A. Parathyroid hormone B. Epinephrine and Nor-epinephrine C. Thyroid stimulating hormone D. Melatonin List-II I. Flight or fight response II. Regulates the body's biological clock III. Increases blood Ca2+ level IV. Synthesis of hormones
The final proof for DNA as the genetic material came from the experiments of:
Which of the following algae produce Carrageen?
Satellite DNA is a useful tool in:
Which of the following is a natural method of contraception?