Description : In human embryo the extra embryonic membrane are formed by :
Last Answer : In human embryo the extra embryonic membrane are formed by : A. Inner cell wall B. Trophoblast C. Formative cells D. Foillcless cells
Description : Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into (a) uterus (b) fallopian tube (c) fimbriae (d) cervix.
Last Answer : (a) uterus
Description : The process where, plants are propagated by seeds, but the embryo is formed by the process in which normal meiosis and syngamy has been eliminated is called
Last Answer : The process where, plants are propagated by seeds, but the embryo is formed by the process in which normal meiosis and syngamy has been eliminated is called – Agamospermy
Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal
Last Answer : the lens first appears at 27 days of gestation
Description : `O_(3)` in ozone layer is formed by action of
Last Answer : `O_(3)` in ozone layer is formed by action of A. IR radiations B. Blue radiations C. UV radiations D. Other radiations
Description : In gastrula stage which layer are formed
Last Answer : In gastrula stage which layer are formed A. Ectoderm B. Mesoderm C. Endoderm D. All
Description : Which of the following embryonic layer formed gametes :
Last Answer : Which of the following embryonic layer formed gametes : A. Ectoderm B. Endoderm C. Mesoderm D. Mesoderm
Description : What is formed when groundwater pool between a permeable layer and impermeable layer?
Last Answer : An aquifer forms when groundwater pools between a permeable layer and an impermeable layer.
Description : Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays
Last Answer : (1) oxygen and ultraviolet rays Explanation: Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into ... (atomic oxygen). The atomic oxygen then combines with unbroken O2 to create ozone (O3).
Description : In angiosperm, all the four microspores of tetrad are covered by a layer which is formed by (a) pectocellulose (b) callose (c) cellulose (d) sporopollenin
Last Answer : (a) pectocellulose
Description : Pick up the correct statement from the following: (A) Perched aquifer is found in unconfined aquifer (B) The top surface of the water held in the perched aquifer, is known as perched water table (C) Perched aquifer is formed in unfined acquirer if an impervious layer exists (D) All the above
Last Answer : Answer: Option D
Description : Oxide layer formed on the non-ferrous metal surface after its annealing is (A) Removed by acid pickling (B) Hammered into the surface (C) Removed with coarse emery cloth
Last Answer : Option A
Description : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as
Last Answer : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as – Included phloem
Description : Most of the thickness of cornea is formed by: a. Epithelial layer b. Substantia propria c. Descemet's membrane d. Endothelium
Last Answer : ANSWER: B
Description : In upper layer of atmosphere ozone is formed by (1) the action of ultraviolet rays on oxygen (2) the combination of oxygen molecules (3) subjecting oxygen to high pressure (4) the action of nitrogen on oxygen in atmosphere
Last Answer : the action of ultraviolet rays on oxygen
Last Answer : oxygen and ultraviolet rays