Description : Polar body is produced during the formation of :
Last Answer : Polar body is produced during the formation of : A. Sperm B. Oogonium C. Spermatocytes D. Secondary oocyte
Description : Polar bodies develop during the formation of
Last Answer : Polar bodies develop during the formation of A. Oogenesis B. Spermstogenesis C. Spermiogenesis D. Somatic hybridisation.
Description : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of polarbodies is to bring haploidy of ovum .
Last Answer : Assertion : During oogenesis polar bodies are formed . Reason : Primary function of formation of ... . If both Assertion & Reason are False.
Description : How many polar bodies are produced during the entire process of oogenesis in unmarried human female ?
Last Answer : How many polar bodies are produced during the entire process of oogenesis in unmarried human female ? A. Three B. Two C. One D. Four
Description : Pick out the wrong statement. Raoult's law does not apply, when the (A) Size of component molecules are not equal (B) Attractive forces between like and unlike molecules ... D) Chemical combination or molecular association between unlike molecules takes place in the formation of solution
Last Answer : (C) Component molecules are non-polar
Description : Fertilizin is a chemical substance produced from (a) polar bodies (b) middle piece of sperm (c) mature eggs (d) acrosome.
Last Answer : (c) mature eggs
Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount
Last Answer : Ans:(a)
Description : Which of the following cells during gametogenesis is normally diploid ? (a) Spermatogonia (b) Secondary polar body (c) Primary polar body (d) Spermatid
Last Answer : (a) Spermatogonia
Description : (a) IN WHICH PART OF HUMAN FEMALE REPRODUCTIVE SYSTEM DO THE FOLLOWING EVENTS TAKE PLACE. (i) RELEASE OF FIRST POLAR BODY (ii) RELEASE OF SECOND POLAR BODY (iii) FERTILISATION (iv) IMPLANTATION (b) NAME TWO HORMONES SECREATED ONLY DURING PREGNANCY.
Last Answer : ANS (a) (i) OVARY (ii) FALLOPIAN TUBE (iii) AMPULLA-ISTHAMUS JUNCTION OF FALLOPIAN TUBE (iv) ENDOMETRIUM LINING OF UTERUS (b) HUMAN CHORIONIC GONADOTROPIN AND HUMAN PLACENTAL LACTOGEN
Description : What is produced during the formation of photochemical smog? -Do You Know?
Last Answer : answer:
Description : Which of the following is produced during the formation of photochemical smog? (1) Nitrogen Oxides (2) Hydrocarbons (3) Methane (4) Ozone
Last Answer : (4) Ozone Explanation: Ozone is produced during the formation of photochemical smog. Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
Description : What is produced during the formation of photochemical smog?
Last Answer : Nitrogen oxide
Description : Both the ascus and the basidium a. Are formed by fungi in the mitosporic fungi. b. Are involved in coenocytic formation by fungi. c. Are diploid structures. d. Are produced during the sexual stage of fungal reproduction.
Last Answer : d. Are produced during the sexual stage of fungal reproduction.
Description : Relase of second polar body from human egg occurs
Last Answer : Relase of second polar body from human egg occurs A. After entry of sperm B. After fertilization C ... sperm entry D. With no relation to sperm entry.
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : Extrusion of second polar body from egg occurs:
Last Answer : Extrusion of second polar body from egg occurs: A. After entry of sperm before completion of ... D. With out any relation of sperm entry
Description : How different are reptiles and birds concerning the maintenance of body temperature? Are birds rare in polar regions?
Last Answer : Reptiles are heterothermic, i.e., they do not control their body temperature. Birds however are the first homeothermic animals, they are able to maintain their body temperature constant. There are many birds that live in intense cold regions. Penguins are examples of birds that live in polar region.
Description : Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.
Last Answer : (b) after entry of sperm but before fertilisation
Description : 6.Find the odd one out. (a)spermatid, b)sertoli cell, c)polar body, d)Leydig cell )
Last Answer : c)polar body,
Description : 10 Number of chromosomes in polar body of human is.................. a. 23 b. 46 c. 21 d. 1
Last Answer : Ans. a 23
Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus
Last Answer : Ans. ((a))
Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.
Last Answer : (a) excess NO2 and SO2 from burning fossil fuels
Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.
Last Answer : a) pattern of cleavage
Description : Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.
Last Answer : d) meiotic division.
Description : Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination ... of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.
Last Answer : a) Annual rings are not prominent in trees of temperate region
Description : Friction produced by the formation of wakes is called the __________ friction. (A) Disk (B) Skin (C) Form (D) None of these
Last Answer : (C) Form
Description : What is the total number of polar bodies formed during oogenesis in the ovary?
Last Answer : What is the total number of polar bodies formed during oogenesis in the ovary? A. 4 B. 3 C. 1 D. 2
Description : What is A long period of climate cooling during which ice sheets spread beyond the polar regions is called a?
Last Answer : ?
Description : The climate of North America is influenced during winter by the – (1) Polar airmasses (2) Warm airmasses (3) Continental airmasses (4) Tropical airmasses
Last Answer : (4) Tropical airmasses Explanation: Maritime tropical (mT) air masses affecting North America most often originate over the warm water of the Gulf of Mexico, the Caribbean Sea, or the adjacent ... Caribbean, and adjacent Atlantic are more common and cover a much wider area of the continent.
Description : Endosperm is formed during the double fertilisation by (a) two polar nuclei and one male gamete (b) one polar nuclei and one male gamete (c) ovum and male gamete (d) two polar nuclei and two male gametes.
Last Answer : (a) two polar nuclei and one male gamete
Description : The climate of North America is influenced during winter by the (1) Polar airmasses (2) Warm airmasses (3) Continental airmasses (4) Tropical airmasses
Last Answer : Tropical airmasses
Description : Which one of the following statements is correct with respect to kidney function regulation? (a) When someone drinks lot of water, ADH release is suppressed. (b) Exposure to cold temperature ... During summer when body loses lot of water by evaporation, the release of ADH is suppressed.
Last Answer : (a) When someone drinks lot of water, ADH release is suppressed.