Standard Books Botany Questions

The dough kept overnight in warm weather becomes soft and spongy because of

Red data book provides data on

Fermentation takes place

Membrane-bound organelles are absent in

Phloem in gymnosperms lacks

Chargoff's rule states Or Which one of the following ratio is constant in DNAs of different species

Bacteria and fungi in a forest ecosystem are generally

Which stage connecting link between Meiosis I and Meiosis II in

Agar-Agar is obtained from

Highest growth is found in

The roots that originate from the base of the stem are

The law of limiting factor for photosynthesis was enunciated by

Who is considered as father of genetics

Difference between the prokaryotic and eukaryotic cells in having

Which one of the following aspects is an exclusive characteristic of living things

The study of inter-relationship between living organisms and their environment is called

These processes are necessary for the complete development of male gametophyte from pollen mother cell

Ecology takes into account only

Regeneration of damaged growing grass following grazing is largely due to

Sweet potato is a modified

The organization which publishes the Red List of species is

______ and _____ were the proportion of plants that were dwarf & tall in F₂ generations of monohybrid cross.

In the diagram given above, some of the algae have been labelled as 'A', 'B', 'C', 'D' and 'E'. These algae are respectively identified as

The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for

The food chain is a series of the population which starts with producers. It is concerned with

Exine of pollen grains is composed of

The significance of light and chlorophyll in photosynthesis was discovered by

The anaerobic process after glycolysis is called

Purines of DNA are represented by

Which of the following is the exception of cell theory

Bacteria which play a great role in recycling nutrients like nitrogen, phosphorus, iron and sulphur are:

G₀ state of cells in eukaryotic cell cycle denotes

Assertion (A): Measurement and comparison of the total plant growth per unit time is not absolute growth rate.

Reason (R): The growth of given system per unit time as percentage of initial size is called the relative growth rate What of the following is true?

One of the oldest food items in which microbes were used is _______

Mitosis occurs in

The alleles are

Choose the correct order of colours with respect to pigments, chlorophyll, phycoerythrin and fucoxanthin

C₆H₁₂O₆ + 2ADP + 2Pi → 2C₂H₅OH + 2ATP + 2CO₂↑

Who proposed the "Cell theory"

How many meiotic divisions are necessary to produce 100 pollen grains

Watson and Crick are known for their discovery that DNA

A food chain starts with

Roots play insignificant role in absorption of water in

Many freshwater animals cannot live for long in sea water and vice versa because of the ________

Growth can be measured in various ways. Which of these can be used as parameters to measure growth

_______ are used in detergent formulations and are helpful in removing oily stains from the laundry

Community is

Who proposed the cycle of events leading to the fixation of CO₂ in mesophyll and its reduction in bundle sheath

Companion cells are closely associated with

ICBN stands for