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BIOLOGYMedium

Match the following structures with their respective location in organs (a) Crypts of Lieberkuhn (i) Pancreas (b) Glisson's Capsule (ii) Duodenum (c) Islets of Langerhans (iii) Small intestine (d) Brunner's Glands (iv) Liver Select the correct option from the following (a) (b) (c) (d) (1) (iii) (i) (ii) (iv) (2) (ii) (iv) (i) (iii) (3) (iii) (iv) (i) (ii) (4) (iii) (ii) (i) (iv)

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BIOLOGYMedium

Select the incorrect statement.

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BIOLOGYMedium

Which of the following contraceptive methods do involve a role of hormone?

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BIOLOGYEasy

Variations caused by mutation, as proposed by Hugo de Vries are

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BiologyMedium

Match the organism with its use in biotechnology. (a) Bacillus thuringiensis (i) Cloning vector (b) Thermus aquaticus (ii) Construction of first rDNA molecule (c) Agrobacterium tumefaciens (iii) DNA polymerase (d) Salmonella typhimurium (iv) Cry proteins

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BIOLOGYMolecular Basis of InheritanceMedium

Match List-I with List-II: List-I A. Frederick Griffith B. Francois Jacob & Jacque Monod C. Har Gobind Khorana D. Meselson & Stahl List-II I. Genetic code II. Semi-conservative mode of DNA replication III. Transformation IV. Lac operon

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BIOLOGYMolecular Basis of InheritanceEasy

One turn of the helix in a B-form DNA is approximately:

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BIOLOGYMolecular Basis of InheritanceEasy

The similarity between DNA and RNA is that both:

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BIOLOGYMedium

Expressed Sequence Tags (ESTs) refers to : (1) Genes expressed as RNA (2) Polypeptide expression (3) DNA polymorphism (4) Novel DNA sequences

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BIOLOGYMedium

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

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BIOLOGYMedium

The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :

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BIOLOGYHard

Use of an artificial kidney during hemodialysis may result in : (a) Nitrogenous waste build-up in the body (b) Non-elimination of excess potassium ions (c) Reduced absorption of calcium ions from gastro-intestinal tract (d) Reduced RBC production. Which of the following options is the most appropriate?

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BiologyMedium

Match the following columns and select the correct option. Column-I (a) Organ of Corti (i) Connects middle ear and pharynx (b) Cochlea (ii) Coiled part of the labyrinth (c) Eustachian tube (iii) Attached to the oval window (d) Stapes (iv) Located on the basilar membrane

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BIOLOGYEasy

Which of the following is true for Golden rice?

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BiologyMedium

In water hyacinth and water lily, pollination takes place by :

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BiologyMedium

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (a) Darwin's Finches of Galapagos islands. (b) Herbicide resistant weeds. (c) Drug resistant eukaryotes. (d) Man-created breeds of domesticated animals like dogs.

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BIOLOGYMedium

<p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">The partial pressures (in mm Hg) of oxygen (O<span class="s1" style="font-width: normal; font-size: 7px; line-height: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">2</span>) and</p><p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">carbon dioxide (CO<span class="s1" style="font-width: normal; font-size: 7px; line-height: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">2</span>) at alveoli (the site of diffusion)</p><p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">are:</p>

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BiologyEasy

Identify the basic amino acid from the following.

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BiologyMedium

Match the following with respect to meiosis: (a) Zygotene, (b) Pachytene, (c) Diplotene, (d) Diakinesis. (i) Terminalization, (ii) Chiasmata, (iii) Crossing over, (iv) Synapsis.

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BIOLOGYMorphology of Flowering PlantsEasy

Match the placental types Column-I with their examples Column-II.

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