Plant Anatomy And Physiology - Study Mode
[#606] Gagnepain and Boureau (1946, 1947) included Exocarpus among Gymnosperms and placed it in a separate family Exocarpaceae near Taxaceae, on the basis of which of the following features?
Correct Answer
(D) All of the above
[#607] Which of the following is correct sequence of the events occurring during sexual reproduction in plants?
Correct Answer
(C) Pollination, Fertilisation, Division of zygote, Embryo formation, Seedling
[#608] Air can hold maximum amount of water vapour at any temperature, and at that temperature the actual pressure of water vapour expressed by percentage of the maximum is called
Correct Answer
(B) Relative humidity
[#609] Which of the following organisms break down the complex substances of dead tissues of producers and consumers and absorb some of the decomposition products and release simple substances usable by autotrophic organisms to start the food-chain cycle again?
Correct Answer
(C) Microconsumers
[#610] The enzyme carboxylase contains which of the following as co-enzyme and metal activator?
Correct Answer
(C) Thiamin phosphate and magnesium respectively