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BIOLOGYSexual Reproduction in Flowering PlantsMedium

Which one of the following statements is wrong?

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BIOLOGYPrinciples of Inheritance and VariationMedium

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In honey bee population, sons do not have fathers but have grandfathers. Reason (R): Haploidy in drones of honey bee is due to parthenogenesis while fertilisation results into female bees. In the light of the above statements, choose the correct answer from the options given below:

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BIOLOGYRespiration in PlantsMedium

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:

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BIOLOGYPrinciples of Inheritance and VariationEasy

When a cluster of genes shows linkage behaviour they:

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BIOLOGYPrinciples of Inheritance and VariationEasy

Lack of independent assortment of two genes A and B in the fruit fly Drosophila is due to:

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BIOLOGYPhotosynthesis in Higher Plants Medium

In leaves of C4 plants, malic acid synthesis during CO2 fixation occurs in:

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BIOLOGYPrinciples of Inheritance and VariationEasy

Test cross involves:

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BIOLOGYRespiration in PlantsMedium

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

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BIOLOGYPrinciples of Inheritance and VariationEasy

In which disorder, change of single base pair in the gene for beta globin chain results in change of glutamic acid to valine?

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BIOLOGYPrinciples of Inheritance and VariationEasy

A true-breeding plant is:

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BIOLOGYRespiration in PlantsEasy

Which of the following pairs is correctly matched regarding the Electron Transport System (ETS) complexes?

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BIOLOGYReproductive HealthEasy

People especially vulnerable to STDs are in the age group:

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BIOLOGYRespiration in PlantsMedium

Which of the following statements is incorrect regarding respiration?

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BIOLOGYPhotosynthesis in Higher Plants Medium

When one CO2 molecule is fixed, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase of the Calvin cycle?

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PHYSICSEasy

In half wave rectification, if the input frequency is $60\text{ Hz}$, then the output frequency would be

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BIOLOGYPrinciples of Inheritance and VariationEasy

According to Mendelism which character is showing dominance:

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BIOLOGYPrinciples of Inheritance and VariationEasy

A gene is said to be dominant if:

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BIOLOGYReproductive HealthHard

The drug RU-486 is taken after sexual intercourse. It blocks implantation, and in this sense it prevents pregnancy:

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BIOLOGYReproductive HealthEasy

To avoid transmission of STDs: I. Avoid sex with multiple partners. II. Always have unprotected sex. III. Use condoms during coitus. IV. Avoid sex with unknown partners V. Avoid sharing of needles Which of the above statements are correct?

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BIOLOGYPhotosynthesis in Higher Plants Medium

Study the pathway given below: In which of the following options, correct words for all the three blanks A, B and C are indicated?

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