Recent questions in Biology

Identify A, B, C and D in order in the picture and identify the type of fruit shown - choose the appropriate option :

asked Apr 4, 2014 by pady_1

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Identify A, B, C and D in order in the picture - choose the appropriate option :

asked Apr 4, 2014 by pady_1

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Choose the odd one out : (on the basis of number of ovules)

asked Apr 4, 2014 by pady_1

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Choose the appropriate option and fill in the blank : A typical angiosperm embryo sac, at maturity, is _________________________ .

asked Apr 4, 2014 by pady_1

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Artificial hybridisation : 1. Removal of anthers from the flower bud before the anthers dehisces using a pair of forceps is emasculation. 2. Emasculated flowers are covered with a bag of suitable size, generally made up of butter paper; and the process is called bagging.

asked Apr 4, 2014 by pady_1

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Identify the wrongly matched pair:

asked Apr 4, 2014 by pady_1

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Apomixis is

asked Apr 4, 2014 by pady_1

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Regarding Types of pollination : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 4, 2014 by pady_1

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Fruits: 1. There are a few species in which fruits develop without fertilisation. 2. Fruits developing without fertilisation are called parthenocarpic fruits. 3. Parthenocarpy can be induced through application of growth hormones 4. Parthenocarpic fruits are usually seeded. Regarding 1, 2, 3 and 4 :

asked Apr 4, 2014 by pady_1

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The second maturation division of the mammalian ovum occurs

asked Apr 4, 2014 by pady_1

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The testes in humans are situated outside the abdominal cavity inside a pouch called *******. The purpose served is for

asked Apr 4, 2014 by pady_1

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Which of the following is a mode of reproduction in animals in which embryos develop inside eggs that are retained within the mother's body until they are ready to hatch?

asked Apr 4, 2014 by pady_1

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Bartholin glands or greater vestibular glands in adult females is homologous to what in adult males?

asked Apr 4, 2014 by pady_1

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The primitive gut that forms during which stage in the developing embryo is known as the archenteron?

asked Apr 4, 2014 by pady_1

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Where in the human body are the Sertoli cells located?

asked Apr 4, 2014 by pady_1

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Which one of the following statements about human sperm is correct?

asked Apr 4, 2014 by pady_1

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Which of the following is incorrect? (1) Human embryos have two pairs of ducts to let gametes out of the body, (2) Wolffian ducts develops in males into the epididymis and vas deferens, (3) Müllerian ducts develops in females into the Fallopian tubes, uterus and ******

asked Apr 4, 2014 by pady_1

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Where are the Bartholin's glands situated ?

asked Apr 4, 2014 by pady_1

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Which of the following hormones is not a secretion product of human placenta ?

asked Apr 4, 2014 by pady_1

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