NCERT
- Can you show me working note of this question The correct treatment for the adjusting entry in this case would be option (A) Shagun's capital account will be debited by ₹3,000 and Anubha... 1
- What are the key features of a list in Python Class 12? Answer: A Python list is an ordered, mutable sequence that can hold items of any type, written inside square brackets. Key features of a lis... 1
- The speed of light in a vacuum is 299,792,458 meters per second.
- The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes (a) 20 correct option is (a) 20 2
- Which of the following is a post-fertilisation event in flowering plants? (b) Embryo development 2
- There are various types of reproduction. The type of reproduction adopted by an organism depends on d) the organisms habitat, physiology and genetic makeup. 2
- There is no natural death in single celled organisms like Amoeba and bacteria because (c) parental body is distributed among the offspring 2
- Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because (b) nodes have meristematic cells 2
- The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete (c) 12, 24, 24 2
- The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because (a) offspring do not possess exact copies of parental DNA 2
- The wall of the ovary forms (a) pericarp (b) fruit wall (c) fruit (d) both (a) and (b). (d) both (a) and (b). 2
- In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit? (a) Brinjal is the correct option 2
- In flowering plants, both male and female gametes are non-motile. The method to bring them together c) pollination 2
- If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes? (b) 190 is correct option 2
- In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell? (c) 20 is correct option 2
- Which of the following organisms has the highest number of chromosomes? (c) Ophioglossum 2
- A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________ gametes. (d) haploid, haploid 2
- Meiosis does not occur in (a) asexually reproducing diploid individuals (a) asexually reproducing diploid individuals 2
- Read the following statements and select the incorrect one. (a) Cucurbits and coconuts are monoecious plants. (d) Sponges and coelenterates are unisexual animals. 2
- Which of the following options shows bisexual animals only? (c) Earthworm, sponge, leech 2
- Which of the following groups is formed only of the hermaphrodite organisms? (d) Earthworm, tapeworm, leech, sponge 2
- Which of the following is a unisexual organism? the following is a unisexual organism 1
- If an electric dipole is kept in a uniform electric field then resultant electric force on it is : (a) always zero 2
- The unit of electric dipole moment is (a) newton (b) coulomb (c) farad (d) debye (d) debye 2