List of top Biology Questions asked in KCET

How many double circulations are normally completed by the human heart in one minute
In the operon system, the repressor protein can bind only with the
Which of the following birth control measures can be considered as the safest ?
In the homeostatic control of blood sugar level, which organs function respectively as modulator and effector ?
Passive absorption of water by root system is the result of
In the synthesis of which of the following, the DNA molecule is not directly involved ?
The chemical nature of gibberellin is that they are
Two pea plants were subjected cross pollination. Of the 183 plants produced in the next generation, 94 plants were found to be tall and 89 plants were found to be dwarf. The genotypes of the two parental plants are likely to be
The following diagrams show the types of secondary thickenings in the xylem vessels. Identify the types labelled from A to F. Choose the correct option from those given.
The following is a diagram of the just spawned frog's egg, with the parts labelled from A to E. Identify the parts and choose the correct option from those given below
The world biodiversity day is celebrated annually on
Which of the following plant part respires even in the absence of oxygen
The unit of natural selection is
Which of the following is used as antitranspirant ?
Which of the following is called detritivore ?
A micro-organism, when viewed under a compound microscope with an objective lens of 40 X and an eye piece of 10 X magnification measured 4000 � in length. The same microorganism when observed under a dissection microscope with a lens of 10 X magnification, would measure........
A nucleosome is a portion of the chromonema containing_______
In the lac-operon model, lactose molecules function as
Osmoregulation in Paramecium is a function of
Which one of the following types of silk is being produced extensively in South India?
Which one of the following is not a characteristic feature of bryophytes ?
How many times a red blood corpuscle will have to pass through the heart in its journey from hepatic artery to the aorta ?
The macronutrient which is an essential component of all organic compounds, yet not obtained by plants from soil is
The following diagram indicates the reflex arc. Identify the parts labelled as A,B,C,D,E,F and G. Choose the correct option
How many human teeth appear twice during the life span of an individual ?