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A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
MTP was legalised in India in:
Receptors for sperm binding in mammals are present on :
The production of gametes by the parents, formation of zygotes, the F1 and F2 plants, can be understood from a diagram called:
Match List-I with List-II List-I: (a) Aspergilus niger, (b) Acetobacter aceti, (c) Clostridium butylicum, (d) Lactobacillus List-II: (i) Acetic Acid, (ii) Lactic Acid, (iii) Citric Acid, (iv) Butyric Acid
Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow:<br><br>Column I<br>A. The Pill<br>B. Condom<br>C. Vasectomy<br>D. Copper T<br><br>Column II<br>1. Prevents sperms reaching cervix<br>2. Suppress sperm motility<br>3. Prevents ovulation<br>4. Semen contains no sperms
Axile placentation is observed in:
In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid is:
Complete the flow chart on central dogma. (a) DNA -> (b) mRNA -> (c) (d)
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?
Which one of the following is the most likely root cause of why menstruation is not taking place in a regularly cycling human female?
Match the following Column-I with Column-II: Column-I A. Synapsis aligns homologous chromosomes B. Synthesis of RNA and protein C. Action of enzyme recombinase D. Centromeres do not separate, but chromosomes move towards opposite poles Column-II (i) Pachytene (ii) Zygotene (iii) G2-phase (iv) Anaphase I
Match List-I with List-II. <br><br>| List-I | List-II |<br><br><br>Choose the correct answer from the options given below.
In a cereal grain, the single cotyledon of the embryo is represented by:
Match List-I with List-II. | List-I | List-II | | :--- | :--- | | (a) Protein | (i) C = C double bonds | | (b) Unsaturated fatty acid | (ii) Phosphodiester bonds | | (c) Nucleic acid | (iii) Glycosidic bonds | | (d) Polysaccharide | (iv) Peptide bonds | Choose the correct answer from the options given below.
The method of DNA replication in which two strands of DNA separate and synthesize new strands is called:
Match List - I with List - II. List - I: (a) Adaptive radiation, (b) Convergent evolution, (c) Divergent evolution, (d) Evolution by anthropogenic action. List - II: (i) Selection of resistant varieties due to excessive use of herbicides and pesticides, (ii) Bones of forelimbs in Man and Whale, (iii) Wings of Butterfly and Bird, (iv) Darwin Finches. Choose the correct answer from the options given below.
Match List-I with List-II regarding the site of occurrence of respiratory stages: List-I A. Citric acid cycle B. Glycolysis C. Electron transport List-II I. Cytoplasm II. Mitochondrial matrix IV. Inner mitochondrial membrane
Which of these is not an important component of initiation of parturition in humans?
What is true about "Saheli"? I: Developed at the CDRI, Lucknow II: Contains a steroidal preparation III: "Once-a-week" pill IV: Many side-effects V: High contraceptive value VI: Very few side-effects