STD 12 - 9. biotechnology principlas and process — NEET STD 11 Science — Question

The role of meiosis

Function of micropyle is

Vessels are mainly found in

Which of the following is a plant hormone

Felidae and Canidae included in which order?

Select the plants in which Axile placentation are present.
China rose, Pea, Soyabean, Tomato, Mustard, Lemon, Dianthus, Sunflower, Marigold:

Fat is hydrolysed by enzyme lipase to yield

Which of the following are unique features of living organisms?

Which of the following is not correct for photoperiodism ?
(i) Flowering response of plants to periods of day/night is termed photoperiodism.
(ii) Long day plants require the exposure to light for a period exceeding a well defined critical duration for flowering.
(iii) Short day plants must be exposed to light for a period less than this critical duration before the flowering is initiated in them.
(iv) The critical duration is same for different plants.
(v) Day-neutral plants not have any correlation between exposure to light duration and induction of flowering response.
(vi) Duration of light period and duration of dark period is not equal importance for flowering.