You Are On Multi Choice Question Bank SET 168
8401. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as
8402. The chief source of nitrogen for green plants is
8403. What type of long chain alcohol is esterified to plant chlorophyll molecules?
8404. During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately
8405. In which of the following battles are the main opponents not correctly stated ?
8406. Which one of the following throws light on Harappan Culture ?
8408. The biggest airport in the world is in:
8409. A person cups his hand around the mouth when shouting because:
8410. Organogenesis is
8411. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?
8412. In a callus culture
8413. Protoplasts are the cells devoid of
8414. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?
8415. The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as
8416. Cell fusion method includes the preparation of large number of
8417. Subculturing is similar to propagation by cuttings because
8418. The ability of the component cells of callus to form a whole plant is known as
8419. What is/are the benefit(s) of micropropagation or clonal propagation?
8420. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
8421. Cellular totipotency is the property of
8422. Agrobacterium based gene transfer is efficient
8423. A(n) __________ is an excised piece of leaf or stem tissue used in micropropagation.
8424. Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by enzymatic treatment with
8425. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?
8426. What is meant by 'Organ culture' ?
8427. Which method of plant propagation involves the use of girdling?
8429. Which of the following statements in regard to the land revenue system of Akbar is not correct ?
8430. Normally hen’s eggs hatch in:
8431. National Science Day is observed on Februay 28 to commemorate:
8432. The Governor-General who followed a spirited “Forward” plicy towards Afghanistan was
8433. During meiosis crossing over takes place at
8434. Which of the following transposable elements are not found in plants?
8435. A plasmid used to introduce BT toxin into a plant cell
8436. The homologous chromosomes follow the process of synopsis in the
8437. When F1 plants are crossed with homozygous recessive plants, it is known as
8438. The shortest of mitotic phases is the
8439. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
8440. In the meiotic cell divison in daughter cells are produced by two successive division in which
8441. What is the approximate size (in kb) of the melon mitochondrial genome?
8442. When an organism has a life cycle with alternation of generations, the haploid generation is the
8443. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
8446. Which of the following chemicals is used in the making of photograph?
8448. We have hired an advertising agency to prepare a campaign to encourage people votes.
8449. Which of the following elements is likely to form the least polar covalent bond with hydrogen?
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8450. The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that
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