List of top Biology Questions

Palmellastatge is present in
What is function of kupffer's cell?
Payer's patches are present in
Lichens do not like to grow in cities
The difference between spermiogenesis and spermiation is
Match the items given in Column I with those in Column U and select the correct option given below:
Column - I Column - II
(a) Proliferative Phase (i) Breakdown of endometrial lining
(b) Secretory Phase (ii) Follicular Phase
(c) Menstruation (iii) Luteal Phase
A ?new' variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to
Calcium is important in skeletal muscle contraction because it
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
Conjunctive tissue is present between (i) and (ii) in (iii) .
The Golgi complex participates in
After karyogamy followed by meiosis, spores are produced exogenously in
Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other ?
Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called
The adsorption of water by hydrophilic compounds like cellulose and pectin in root hair cell wall is called _______.
Which of the following organisms are known as chief producers in the oceans ?
Which of the following animals does not undergo metamorphosis ?
Which of the following is an occupational respiratory disorder ?
Match the items given in Column I with those in Column II and select the correct option given below :
Column IColumn II
a.Fibrinogeni.Osmotic balance
b.Globulinii.Blood clotting
c.Albuminiii.Defence mechanism
Calcium is important in skeletal muscle contraction because it
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system.
Ciliates differ from all other protozoans in
Which one of these animals is not a homeotherm ?
Match the items given in Column I with those in Column II and select the correct option given below :
Column IColumn II
a.Proliferative Phasei.Breakdown of endometrial lining
b.Secretory PhaseiiFollicular Phase
c.Menstruationiii.Luteal Phase
Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as