Coconut water from a tender coconut is?
1. Immature embryo
2. Free nuclear endosperm
3. Innermost layers of the seed coat
4. Degenerated nucellus
Which of the following layers in an antral follicle is acellular?
1. Granulosa
2. Theca interna
3. Stroma
4. Zona pellucida
The introduction of t-DNA into plants involves?
1. Infection of the plant by Agrobacterium tumefaciens
2. Altering the pH of the soil, heat-shocking the plants
3. Exposing the plants to Cold for a brief period
4. Allowing the plant roots to stand in water
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
1. | Chrysophytes | 2. | Euglenoids |
3. | Dinoflagellates | 4. | Slime moulds |
Human urine is usually acidic because?
1. | hydrogen ions are actively secreted into the filtrate. |
2. | the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries. |
3. | excreted plasma proteins are acidic |
4. | Potassium and sodium exchange generates acidity |
In photosynthesis, the light-independent reactions take place at?
1. Thylakoid lumen
2. photosystem I
3. photosystem II
4. Stromal matrix
In the mammalian eye, the ‘fovea’ is the center of the visual field, where?
1. high density of cones occur, but has no rods
2. the optic nerve leaves the eye
3. only rods are present
4. more rods than cones are found
Pick up the wrong statement.
1. | Cell wall is absent in Animalia. |
2. | Protista have photosynthetic and heterotrophic modes of nutrition |
3. | Some fungi are edible |
4. | Nuclear membrane is present in Monera. |
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
1. Five
2. Six
3. Three
4. Four
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
1. Pleurisky
2. Emphysema
3. Pneumonia
4. Asthma