Recent questions tagged botany

Mercury is generally used in aerobic respiration experiments because it does not react with

asked Jan 10, 2017 by meena.p

0 answers

Given figure depicts the light harvesting complex of Photosystem I.Select the correct identification for A, B,C and D.

asked Jan 10, 2017 by meena.p

1 answer

Splitting of water is associated with

asked Jan 10, 2017 by meena.p

1 answer

VAM are

asked Jan 10, 2017 by meena.p

0 answers

The lower surface of the leaf will have more number of stomata in a

asked Jan 10, 2017 by meena.p

1 answer

The figure given below shows a cell undergoing meiosis.Which of the following options shows the next stage of the process?

asked Jan 10, 2017 by meena.p

0 answers

Assertion: Cyanobacteria are photosynthetic blue green algae with all prokaryotic structures Assertion: They are green due to the presence of chlorophyll

asked Jan 10, 2017 by meena.p

1 answer

Three of the following statements regarding cell organelles are correct, while one is wrong. Which one is wrong?

asked Jan 10, 2017 by meena.p

0 answers

Plastids differ from mitochondria on the basis of the following features. Mark the right answer

asked Jan 10, 2017 by meena.p

2 answers

Select the one which is not true for ribosomes.

asked Jan 10, 2017 by meena.p

0 answers

Identify the tissue system among the following:

asked Jan 10, 2017 by meena.p

0 answers

Match the following and choose the correct options from below:

asked Jan 10, 2017 by meena.p

0 answers

Endosperm , a product of double fertilization in angiosperms is absent in the seeds of

asked Jan 10, 2017 by meena.p

2 answers

Venation is the term used to describe the pattern of arrangement of

asked Jan 9, 2017 by meena.p

0 answers

Roots developed from the parts of the plants other than radicle are called

asked Jan 9, 2017 by meena.p

0 answers

Mature seeds of plants such as gram and pear possess no endosperm because

asked Jan 9, 2017 by meena.p

0 answers

Which of the following has haplontic life cycle?

asked Jan 9, 2017 by meena.p

1 answer

Mannitol is the stored food of

asked Jan 9, 2017 by meena.p

1 answer

In Gymnosperms, pollen chamber represent

asked Jan 9, 2017 by meena.p

0 answers

Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is

asked Jan 9, 2017 by meena.p

1 answer

A plant shews thallus level of organization bearing rhizoids and is haploid. It needs water to complete its life cycle because male gametes are motile. Identify the group to which it belongs to:

asked Jan 9, 2017 by meena.p

0 answers

Naked cytoplasm, multinucleated and saprophytic are the characteristics of

asked Jan 9, 2017 by meena.p

0 answers

Assertion: Term “Biology” was coined by Lamarck and Iriviranus (1802) Reason: Biology is the science dealing with the study of different aspects of living beings.

asked Jan 9, 2017 by meena.p

0 answers

Wildlife is destroyed most by

asked Jan 9, 2017 by meena.p

1 answer

Trouble some American water weed found in India is:

asked Jan 9, 2017 by meena.p

0 answers

Assertion: In nature, recycling of carbon is essentially self regulating, feedback system.Reason: The reservoir pool of carbon consists of free $CO_2$ in the atmosphere.

asked Jan 9, 2017 by meena.p

0 answers

Correct sequence of succession on a bare rock is

asked Jan 9, 2017 by meena.p

0 answers

Given pie diagram represents different components of soil fertility. Identify P,Q and R and select the correct option

asked Jan 6, 2017 by meena.p

0 answers

Ecological niche is

asked Jan 6, 2017 by meena.p

0 answers

Species interaction with negative influence on both is referred to as

asked Jan 6, 2017 by meena.p

0 answers

Basic unit of ecological hierarchy is

asked Jan 6, 2017 by meena.p

0 answers

Assertion: Emasculation is removal of male parent.Reason: Bagging is not required for emasculated flowers

asked Jan 6, 2017 by meena.p

0 answers

Single cell protein can be obtained from

asked Jan 6, 2017 by meena.p

0 answers

Which of the following is incorrectly matched?

asked Jan 6, 2017 by meena.p

0 answers

The fact that a purine base is always paired with hydrogen bonds with a pyrimidine base in the DNA double helix, leads to

asked Jan 5, 2017 by meena.p

1 answer

Regulation of gene expression occurs at the level of

asked Jan 5, 2017 by meena.p

0 answers

The year $2003$ was celebrated as the $50^{th}$ anniversary of:

asked Jan 5, 2017 by meena.p

1 answer

Study the two cases carefully. What would be the correct interpretation of the two cases?

asked Jan 5, 2017 by meena.p

0 answers

Depending upon the distance between any two genes which is inversely proportional to the strength of the linkage, cross over will vary from

asked Jan 5, 2017 by meena.p

0 answers

Among seven pairs of contrasting traits in pea plants as studied by Mendel, the number of traits related to flower pod and seed respectively were

asked Jan 5, 2017 by meena.p

1 answer

Polyembryony commonly occurs in

asked Jan 5, 2017 by meena.p

0 answers

Both autogamy and geitonogamy are present in

asked Jan 5, 2017 by meena.p

1 answer

In angiosperms, the female gametophyte is

asked Jan 5, 2017 by meena.p

0 answers

A dandelion produces seeds without meiosis or fertilization. The adult sporophyte forms diploid rather than haploid megaspores that develop into the ovules containing diploid, rather than haploid nuclei. One of the nuclei in each ovule becomes an egg and develops directly without fertilization in an embryo that is geneticall identical to its parent this type of reproduction is called

asked Jan 5, 2017 by meena.p

1 answer

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of seedling will be respectively

asked Jan 5, 2017 by meena.p

1 answer

Photoperiod stimulus is perceived by pigment

asked Jan 5, 2017 by meena.p

1 answer

Value of RQ in succulents is

asked Jan 5, 2017 by meena.p

0 answers

Meiosis results in

asked Jan 5, 2017 by meena.p

0 answers

Which of these is a type of phycobilin pigments?

asked Jan 5, 2017 by meena.p

1 answer

Which light range is most effective in photosynthesis?

asked Jan 5, 2017 by meena.p

0 answers

Ask Questions, Get Answers