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Which one of the following plants shows vexillary aestivation and diadelphous stamens?
The process of translation of mRNA to proteins begins as soon as :
Match List -I with List -II | List -I | | List -II | | :--- | :--- | :--- | | (a) Manganese | (i) | Activates the enzyme catalase | | (b) Magnesium | (ii) | Required for pollen germination | | (c) Boron | (iii) | Activates enzymes of respiration | | (d) Iron | (iv) | Function s in splitting of water during photosynthesis |
What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
The gaseous plant growth regulator is used in plants to :
The device which can remove particulate matter present in the exhaust from a thermal power plant is :
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Polymerase chain reaction is used in DNA amplification. Reason (R): The ampicillin resistant gene is used as a selectable marker to check transformation. In the light of the above statements, choose the correct answer from the options given below:
Which of the following is not observed during apoplastic pathway?
DNA polymorphism forms the basis of:
XO type of sex determination can be found in:
Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?
The historic Convention on Biological Diversity, 'The Earth Summit', was held in Rio de Janeiro in which year?
Match the terms in List-I with their corresponding locations or events in List-II: List-I: (A) Biodiversity hotspot, (B) Sacred groves, (C) Johannesburg South Africa, (D) Alien species invasion List-II: (I) Khasi and Jantia hills in Meghalaya, (II) World Summit on Sustainable Development 2002, (III) Parthenium, (IV) Western Ghats
Cryopreservation technique is used for:
Which one of the following is not included under in-situ conservation?
The regions with high level of species richness, high degree of endemism and a loss of 70% of the species and habitat are identified as:
The highest annual Net Primary Productivity is observed in which of the following ecosystems?
Identify the place(s) from the following where sacred groves are not found:
Given below are two statements: Statement I: Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. Statement II: The Amazon rain forest has the greatest biodiversity on earth. In light of the above statements, choose the correct answer from the options given below:
Match the scientists in List-I with their corresponding hypotheses or contributions in List-II: List-I: (A) Robert May, (B) Alexander von Humboldt, (C) Paul Ehrlich, (D) David Tilman List-II: (I) Species-Area relationship, (II) Long-term ecosystem experiment using outdoor plots, (III) Global species diversity is about 7 million, (IV) Rivet Popper hypothesis