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Winged pollen grains are present in:
Which one of the following growth regulators is known as the stress hormone?
Apomictic embryos in Citrus arise from:
The wheat grain has an embryo with one large, shield-shaped cotyledon known as?
"Saheli" is a(n)
Which of the following has proved helpful in preserving pollens as fossils?
After karyogamy followed by meiosis, spores are produced exogenously in
Which one of the following statements is wrong?
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins?
Roots play an insignificant role in the absorption of water in:
Which of the following pairs is of unicellular algae?
The flowers are Zygomorphic in: (a) Mustard (b) Gulmohur (c) Cassia (d) Datura (e) Chilli Choose the correct answer from the options given below:
Identify the correct statements related to the androecium in the flower: (a) Sterile stamens are called staminodes. (b) When stamens are attached to petals, they are called epipetalous. (c) Monoadelphous stamens are found in China rose. (d) Polyadelphous stamens are found in Pea. (e) Variation in the length of filaments is seen in Salvia and Mustard.
Functional megaspore in an angiosperm develops into:
Match the Assisted Reproductive Technologies (ARTs) with their correct descriptions: I. Collected gametes are made to form the zygote in the laboratory. II. Zygote or early embryo with upto 8 blastomeres is transferred into the oviduct. III. Zygote with more than 8 blastomeres is transferred into the uterus. IV. Fusion of gametes within the female. V. Transfer of ovum from a donor to the oviduct of the recipient. VI. Sperm is injected into the ovum in-vitro.
In vitro fertilization is a technique that involves transfer of which one of the following into the fallopian tube?
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
Choose the mismatched pair of leaf character with its example:
Sterilisation in males is ____________ and in females is ___________: