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Which one of the following plants shows vexillary aestivation and diadelphous stamens?
Sweet potato is a modified:
Identify the correct set of statements: (a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea. (b) Axillary buds form slender and spirally coiled tendrils in Cucumber and Pumpkin. (c) Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves. (d) Rhizophora shows vertically upward growing roots that help to get oxygen for respiration. (e) Subaerially growing stems in grasses and strawberry help in vegetative propagation.
Pneumatophores occur in:
Arrange the following events of meiosis in a correct sequence: I. Crossing over II. Synapsis III. Terminalisation of chiasmata IV. Disappearance of nucleolus
The last chromosome sequenced in Human Genome project was:
The flowers are Zygomorphic in: (a) Mustard (b) Gulmohur (c) Cassia (d) Datura (e) Chilli Choose the correct answer from the options given below:
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
Which of the following is hormone-releasing IUD?
Plants which produce characteristic pneumatophores and show vivipary belong to:
Match the placental types Column-I with their examples Column-II.
After karyogamy followed by meiosis, spores are produced exogenously in
Perigynous flowers are found in:
Match List - I with List - II List - I (Type of flower) (A) Zygomorphic (B) Hypogynous (C) Perigynous (D) Epigynous List - II (Example) (I) Mustard (II) Plum (III) Cassia (IV) Cucumber
MTP was legalised in India in:
Bicarpellary ovary with obliquely placed septum is seen in:
The hilum is a scar on the:
Which one of the following growth regulators is known as the stress hormone?
Which of the following pairs is of unicellular algae?
Example of an edible underground stem is: