Recent questions tagged botany

The cork cambium, cork and secondary cortex are collectively called :

asked Aug 16, 2018 by pady_1

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The ovary is half inferior in flower of :

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In land plants, the guard cells differ from other epidermal cells in having :

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Ground tissue includes :

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A drupe develops in :

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Which one of the following elements is plants is not remobillised ?

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The function of leghaemoglobin in the root nodules of legumes is :

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Nitrifying bacteria :

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The correct floral formula of chilli is :

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Which one of the following statements is correct ?

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Which one of the following also acts as a catalyst in a bacterial cell ?

asked Aug 16, 2018 by pady_1

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A collection of plants and seeds having diverse alleles of all the genes of a crop is called :

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Mutations can be induced with :

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In eubacteria, a cellular component that resembles eukaryotic cell is :

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Peptide synthesis inside a cell takes place in :

asked Aug 16, 2018 by pady_1

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Important site for formation of glycoproteins and glycolipids is :

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The gametophyte is not an independent, free living generation in :

asked Aug 16, 2018 by pady_1

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Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be

asked Aug 16, 2018 by pady_1

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Archegoniphore is present in :

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Which one of the following have the highest number of species in nature ?

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Organisms called Methanogens are most abundant in a :

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The "Eyes" of the potato tuber are :

asked Aug 16, 2018 by pady_1

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Infectious proteins are present in –

asked Jul 26, 2018 by pady_1

2 answers

An improved variety of transgenic basmati rice

asked Jul 26, 2018 by pady_1

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Which one of the following not used in organic farming?

asked Jul 26, 2018 by pady_1

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Wind pollinated flowers are –

asked Jul 26, 2018 by pady_1

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Which one of the following does not follow the central dogma of molecular biology ?

asked Jul 26, 2018 by pady_1

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A renewable exhaustible natural resource is –

asked Jul 26, 2018 by pady_1

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Which one of the folliwng is not a lateral meristem ?

asked Jul 26, 2018 by pady_1

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The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called –

asked Jul 26, 2018 by pady_1

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Which one of the following symbols and its representation, used in human pedigree analysis is correct –

asked Jul 26, 2018 by pady_1

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The common nitrogen-fixer in paddy fields is –

asked Jul 26, 2018 by pady_1

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The main arena of variuos types of activites of a cell is –

asked Jul 26, 2018 by pady_1

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Which stages of cell division do the following figures A and B represent respectively ?

asked Jul 26, 2018 by pady_1

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Virus envelope is known as –

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The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is

asked Jul 26, 2018 by pady_1

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Male and female gametophytes are independent and free-living in –

asked Jul 26, 2018 by pady_1

2 answers

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do a, b and c represent respectively

asked Jul 26, 2018 by pady_1

1 answer

Phototropic curvature is the result of uneven distribution of –

asked Jul 26, 2018 by pady_1

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Select the correct statement from the ones given below with respect to dihybrid cross –

asked Jul 26, 2018 by pady_1

2 answers

A common biocontrol agent for the control of plant diseases is –

asked Jul 26, 2018 by pady_1

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Breeding of crops with high levels of minerals, vitamins and proteins is called –

asked Jul 26, 2018 by pady_1

1 answer

Keel is characteristic of the flowers of:

asked Jul 26, 2018 by pady_1

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Select the two correct statements out of the four (a-d) given below about lac operon. (a) Glucose or galactose may bind with the repressor and inactivate it. (b) In the absence of lactose the repressor binds with the operator region (c) The z-gene codes for permease (d) This was elucidated by Francois Jacob and Jacque Monod The correct statements are :

asked Jul 26, 2018 by pady_1

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Select the correct statement from the following:

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Membrane-bound organelles are absent in:

asked Jul 26, 2018 by pady_1

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Which one of the following is not a micronutrient?

asked Jul 26, 2018 by pady_1

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The chief water conducting elements of xylem in gymnosperms are :

asked Jul 26, 2018 by pady_1

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An element playing important role in nitrogen fixation is:

asked Jul 26, 2018 by pady_1

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In unilocular ovary with a single ovule the placentation is:

asked Jul 26, 2018 by pady_1

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