Vascular cambium produces
International Union for Conservation of Nature and Natural Resources (IUCNNR) which maintains Red Data Book has its headquarters at
Cocoa (Theobroma cacao, a member of sterculiaceae) is actually obtained from
New approach to conservation is establishment of
Which one of the following is not a part of gut and digestive system?
Preventive birth control measure is :
A lady carrier for haemophilia (Hh) marries a normal man (HO). Daughters of such a lady would be
Haemophilia is an X-linked recessive disorder. A carrier female has the defective gene on only one X chromosome i.e XX' and a normal man has no defective gene on X chromosome i.e XY. (X-normal gene, X'-defective gene). When A lady carrier for haemophilia (Hh) marries a normal man(HO). There is the possibility of 4 types of progeny. XY(normal male), XX'(carrier female), X'Y(Haemophilic male), XX(Normal female). When A lady carrier for haemophilia (Hh) marries a normal man(HO). Daughters of such a lady would be 50% normal (HH) and 50% carrier (Hh).
Compared to blood our lymph has
In syndesmochorial placenta, the sequence of maternal tissue between the maternal blood and the foetal tissue is:
The silkworm silk is the product of
Java Man is
Fertilization was first discovered by :
Non-cellular layer is :
Exon part of mRNA has code for
In which of the following will DNA melt at the lowest temperature
Restriction endonucleases are useful in
Out of two alleles of the same gene, one finds morphological expression. The phenomenon is
The intensity levels of whispering noise is
Law of dominance-recessiveness is proved by
Smooth muscle is
Sometimes the muscles do not relax and become stiff. This condition is known as Rigor-Mortis which is due to fall of concentration of
Which of the following explains why most organs are supplied by two separate autonomic nerves?
Swan-necked flask is experiment was done by
Formation of ATP in photosynthesis and respiration is an oxidation process which utilises the energy from
Which one can absorb red and far-red light?
Hydrophytes are able to float due to presence of
Atmosphere of big/metropolitan cities is polluted most by
Which of the following hormones does not promote homeostasis?
The carbon dioxide produced by a developing fetus is removed by the
The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis is
Oxygen and carbon dioxide cross the membranes between the capillaries and alveoli by
Which of the following pair is correctly matched?
In which of the following families would you place a plant having bicollateral vascular bundles in the climbing stems and unisexual flowers -
Some organism escape detection from enemies by resembling other organisms. The phenomenon is
The source of antidiuretic hormone (ADH) is the