Please select a subject first
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Changing nature of population is called ______
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In which part of the human female reproductive system do the following events take place?
Fertilization
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The oxygen dissociation curve is a sigmoid curve and it shifts towards the right due to ______.
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Which of the following statement is incorrect?
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Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
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Which one of the following areas in India, is a hotspot of biodiversity?
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RQ value of succulents is ______.
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The region of biosphere reserve, which is legally protected and where no human activity is allowed is known as ______ .
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The type of natality that is relative to a specific criterion such as age is ______.
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Match the following Column I with Column II.
| Column I | Column II |
| A. Population | (i) Part of the earth has all ecosystems. |
| B. Community | (ii) Assemblage of all individuals belonging to different species of an area. |
| C. Ecosystem |
(iii) Group of similar individuals of the same species, found in an area. |
| D. Ecosphere | (iv) Interaction between living organisms and their physical environment. |
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Which one of the following is not a method of in situ conservation of biodiversity?
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Which of the following conditions represents zero population growth?
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Juxtaglomerular cells secrete ...A... when there is a fall in ...B... ion concentration.
Choose the correct option labelled as A and B.
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Renin and angiotensin are secreted by ______ and ______ respectively.
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In a growing population of a country, ______.
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Exploration of molecular, genetic and species-level diversity for novel products of economic importance is known as ______.
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The pollen tube usually enters the embryo sac ______.
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The aggregate of processes that determine the size and composition of any population is called ______.
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The outer layer of the pollen grain is thick and made up of a complex, non-biodegradable substance called _______.
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The total genetic information encoded in sum total of genes in a Mendelian population is called ______.
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