Which of the following statements is wrong for viroids?
They are smaller than viruses
They cause infections
Their RNA is of high molecular weight
Their RNA is of high molecular weight
C.
Their RNA is of high molecular weight
Viroids have RNA with low molecular weight.
A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in ratio of
1:2:1 :: Tall heterozygous: Tall homozygous: Dwarf
3:1:: Tall: Dwarf
3:1:: Dwarf: Tall
3:1:: Dwarf: Tall
Specialised epidermal cells surrounding the guard cells are called
sunbsidiary cells
bulliform cells
lenticels
lenticels
Identify the correct statement on 'inhibin'
is produced by granulosa cells in ovary and inhibits the secretion of FSH
is produced by granulosa cells in ovary and inhibits the secretion of LH
is produced by nurse cells in testes and inhibits the secretion of LH
is produced by nurse cells in testes and inhibits the secretion of LH
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers
ozone
ammonia
methane
methane
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
| Insulin | Glucagon |
| Aldosterone | Atrial Natriuretic Factor |
| Relaxin | Inhibin |
| Relaxin | Inhibin |
It is much easier for a small animal to run uphill than a large animal, because
smaller animals have a higher metabolic rate
small animals have a lower O2 requirement
the efficiency of muscles in large animals in less than in the small animals
the efficiency of muscles in large animals in less than in the small animals
Which of the following is wrongly matched in the given table?
| Microbe | Product | Application |
| Monascus purpureus | Statins | Lowering of blood cholesterol |
| Microbe | Product | Application |
| Streptococcus | Streptokkinase | Removal of clot from blood vessel |
| Microbe | Product | Application |
| Clostridium buylicum | Lipase | Removal of oil stains |
| Microbe | Product | Application |
| Clostridium buylicum | Lipase | Removal of oil stains |
Changes in GnRH pulse frequency in females is controlled by circulating levels of
estrogen and inhibin
progesterone only
progesterone and inhibin
progesterone and inhibin
Which type of tissue correctly matches with its location?
| Tissue | Location |
| Areolar tissue | Tendons |
| Tissue | Location |
| ATransitional epithelium | Teip of nose |
| Tissue | Location |
| Cuboidal epithelium | Tlining of stomach |
| Tissue | Location |
| Cuboidal epithelium | Tlining of stomach |
