Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS
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Biology · PYQ NEET UG 2018
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
Read answer →Biology · PYQ NEET UG 2019(2)
Which of the following sexually transmitted diseases do not specifically affect reproductive organs?
Read answer →Biology · PYQ NEET UG 2020
Goblet cells of alimentary canal are modified from:
Read answer →Biology · PYQ NEET UG 2021
Erythropoietin hormone which stimulates R.B.C. formation is produced by:
Read answer →Biology · PYQ NEET UG 2022
The recombination frequency between the genes a & c is 5%, b & c is 15 %, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?
Read answer →Biology · BIOMOLECULES
Based on the average cellular composition of living tissues, arrange the following components in descending order of their percentage of total cellular mass:\nI. Nucleic acids II. Carbohydrates III. Proteins IV. Lipids
Read answer →Biology · BIOLOGICAL CLASSIFICATION
Refer to the provided figure illustrating bacteria of different shapes. Which shape of bacterium is shown producing a spore, and which shape possesses flagella for locomotion?
Read answer →Biology · PYQ NEET UG 2019(1)
Which one of the following is NOT a method of in situ conservation of biodiversity?
Read answer →Biology · MICROBES IN HUMAN WELFARE
Consider the following statements regarding secondary sewage treatment and sludge processing: (A) The effluent is passed into aeration tanks where growth of aerobic microbes forms flocs. (B) The BOD of sewage is significantly reduced during the aeration tank process. (C) A small part of the activated sludge is pumped back into the aeration tank to serve as inoculum. (D) Anaerobic sludge digesters produce gases such as methane, hydrogen sulphide and carbon dioxide. How many of the above statements are correct?
Read answer →Biology · PYQ NEET UG 2020
Match the following:\n(a) Inhibitor of catalytic activity (i) Ricin\n(b) Possess peptide bonds (ii) Malonate\n(c) Cell wall material in fungi (iii) Chitin\n(d) Secondary metabolite (iv) Collagen\nChoose the correct option from the following:
Read answer →Biology · PYQ NEET UG 2021
Which of the following is NOT a step in Multiple Ovulation Embryo Transfer Technology (MOET)?
Read answer →Biology · PYQ NEET UG 2016(1)
In context of amniocentesis, which of the following statement is INCORRECT?
Read answer →Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS
In the given three-dimensional cut section of an anther, which structure is responsible for the release of pollen grains upon maturity?
Read answer →Biology · PYQ NEET UG 2020
The roots that originate from the base of the stem are:
Read answer →Biology · ANIMAL KINGDOM
Which cartilaginous fish possesses electric organs, and which one possesses a poison sting, respectively?
Read answer →Biology · MICROBES IN HUMAN WELFARE
During secondary treatment of sewage, flocs are formed by:
Read answer →Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS
In angiosperms, what is the primary biological significance of the delay in zygote division until a certain amount of endosperm has developed?
Read answer →Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS
Given below are two statements regarding outbreeding devices: Statement I: In castor and maize, unisexual male and female flowers are borne on the same plant, preventing autogamy but not geitonogamy. Statement II: In papaya, male and female flowers are present on different plants (dioecy), preventing both autogamy and geitonogamy. In light of the above statements, choose the correct answer:
Read answer →Biology · PYQ NEET UG 2020
From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:
Read answer →Biology · PYQ NEET UG 2026
Which of the following statements related to pituitary gland are correct? (a) It is divided anatomically into adenohypophysis and neurohypophysis (b) It secretes follicle stimulating hormone (c) It secretes melanocyte stimulating hormone (d) It does not secrete prolactin Choose the correct answer from the options given below :
Read answer →Biology · PYQ NEET UG 2018
The difference between spermiogenesis and spermiation is
Read answer →Biology · PYQ NEET UG 2018
Among the following sets of examples for divergent evolution, select the INCORRECT option.
Read answer →Biology · MICROBES IN HUMAN WELFARE