Last seen: Jan 13, 2022
(a) Onion – Bulb Explanation: Onion - Bulb - Undeground stem, Ginger - Rhizome, Chlamydomonas - Zoospore, Yeast - Ascospores
(b) Flowers actinomorphic, twisted aestivation and gamopetalous.
(c) Exogenous in origin Explanation: Prickles of rose develop only from cortex and epidermis and found at the nodes or internodes. It helps in cli...
(b) mustard Explanation: Dispersal is a universal biological need. For non-aquatic, terrestrial plants, the wind is an obvious supplier of energy ...
(a) Monothecous Explanation: The filament of stamen bears one celled anther.
(a) dichogamy Explanation: In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as dichogamy.
(c) Dissecting microscope Explanation: The dissecting microscope allows to view 3D images up to 50x magnification. It is commonly used in dissecti...
(d) heterotrophic nutrition Explanation: Cilia are hair-like bristles on a Paramecium used in locomotion and to find food. An oral groove is a mou...
(d) multicarpellary, apocarpous ovary Explanation: A muticarpellary ovary may be syncarpous (when carpels are fused) or apocarpous (when the carpe...
(c) position of ovary on the thalamus Explanation: Floral diagram illustrates the whorls and number of parts in each of the sets of organs compris...
(d) Asteraceae Explanation: This condition is called syngenesious. It is found in members of family asteraceae (or compositae), e.g., disc florets...
(b) inflorescence Explanation: Composite fruits develop from the complete inflorescence and are also known as multiple fruit. These are of 2 types...
(c) absorption of moisture from air Explanation: Orchids are the epiphytes that posses aerial roots. These roots contain a spongy tissue called ve...
(b) have edible parts which are analogous organs. Explanation: Potato is the modified underground stem whereas sweet-potato is the modified root f...
(a) Monothecous Explanation: The filament of stamen bears one celled anther.
(b) Papilionaceae Explanation: In papilionaceae- the androceium is seen in diadelphous condition. 10 stamens are seen in two bundles- 9 + 1.9 toge...
(b) gram Explanation: Grams are leguminous plants. Nitrogen fixing bacteria is seen in leguminous plants. They convert atmospheric N2 to nitrate t...
(a) once Explanation: Monocarpic flowers have a single carpel that can mature only once in their life time. Hence, they flower only once.
(b) madar Explanation: Pollinia is generally seen in fused anthers. Each anther has pollinia. Madar shows the characteristic feature of pollinia.
(a) flower bud Explanation: The structure of clove itself resembles the bud where we are, infact, able to see the calyx also. Clove that is used a...