This helps in the penetration of the egg by the sperm
1.fertilization membrane
2.antifertilizin
3. sperm lysin
4.fertilizin
Answer:3
Posted Date:-2021-02-22 04:40:02
1.condensation of yolk
2.development of the vitelline membrane
3.formation of the fertilization membrane
4.development of the pigment coat
Answer 31.Hydrophytes
2.Monocot and dicot stem
3.Monocot stem
4.Dicot stem
Answer 41.2 to 4 inches/minute
2.2 to 4 mm/minute
3.2 to 4 cm/minute
4.2 to 4 feet/minute
Answer 21.Veins form a network
2.Mesophyll is not differentiated into palisade and spongy parenchyma
3. Mesophyll is well differentiated into these parts
4.Bulliform cells are absent from epidermis
Answer 21.Leaves
2.Root
3. Flowers
4.Shoot
Answer 21. Tonoplast
2.Middle lamella
3.secondary wall
4. primary wall
Answer 31.cannot be predicted; it varies according to the cell types
2. inner leaflet of the plasma membrane
3. the outer leaflet of the plasma membrane
4.evenly distributed in both outer and inner leaves of plasma membrane
Answer 31.the entry of sperm activates the egg for completing meiosis
2.only one sperm reaches the egg and enters it
3.only the acrosome of the sperm enters the egg
4.two haploid nuclei fuse and immediately divide to produce two nuclei; which are again haploid
Answer 11. Pancreas
2. Liver
3. Stomach
4.Intestine
Answer 31.Gallbladder
2. Pancreas
3.Crypts of Lieberkuhn
4.Stomach
Answer 21.Metaxylem
2. A mucilage canal
3.Lysigenous water cavity
4. A large sized protoxylem
Answer 31.ability to multiply only inside the host
2.ability to undergo mutation
3. ability to be crystallized
4. ability to cause diseases in the host
Answer 31.Muscle cells
2.Nerve cells
3. Intestinal cells
4.None of the above
Answer 31.Energy transduction
2.Intercellular interactions
3.Responding to external stimuli
4.Assisting in chromosome segregation
Answer 41.Dead
2. differentially permeable
3.permeable to anthocyanins
4.Impermeable to anthocyanins
Answer 41.Bacteriophage T-2
2. Varicella virus
3.SV-40 virus
4.Adenovirus
Answer 21.Release of bile from the gallbladder
2.Conversion of protein to peptones
3. Conversion of fats into glycerol
4. Secretion of pancreatic juice
Answer 11.Parthenogenesis
2.Metagenesis
3.Gametogenesis
4.Oogenesis
Answer 11.Enterogastrone
2.Enterocrinin
3. Gastrin
4.Cholecystokinin
Answer 41.Protozoan
2.Nematode
3.Virus
4.Helminth
Answer 31. Cholecystokinin
2.Trypsinogen
3. Secretin
4.Enterokinase
Answer 31.Fallopian tubes and release a secretion which makes sperms motile
2.uterus and release a lubricating fluid during the birth of young ones
3. vestibule and release a lubricating fluid in the vagina
4.urinary bladder and assist in release of urine
Answer 31. vagina
2.ovary
3.fallopian tubes
4. uterus
Answer 31.head parallel
2.alternate
3.scattered
4.series
Answer 11.atomic force microscopy
2.freeze-fracture analysis and electron microscopy
3.cryo-sectioning and electron microscopy
4.all of the above
Answer 21.always faces outwards; towards extracellular space
2.directed to all sides in the membrane randomly
3.always faces to the lumen of cells
4.always faces inward to the nonpolar portion of the membrane
Answer 11.Fungi
2.Bacteria
3.Cancer
4.None of these
Answer 41. Plasma membranes
2.Cell wall
3. Nucleus
4.Cellular space
Answer 11. cryanogamone
2.hyaluronic acid
3. androgamone
4.hyaluronidase
Answer 41. Enterogastrone
2.Cholecystokinin
3.Enterokinin
4.Secretin
Answer 21.A protein; a lipid and a cellulose layer
2.Bimolecular lipid layer surrounded by protein layers
3.A protein layer between two lipid layers
4. A lipid layer between two protein layers
Answer 21.Dicot stem
2. Monocot stem
3.Dicot root
4.Monocot root
Answer 41.Cholecystokinin
2.Gastrin
3.Enterogastrone
4.None of the above
Answer 21.jaw bones
2. involuntary muscles
3. voluntary muscles
4.both voluntary and involuntary muscles
Answer 31.Palisade along both the surface
2.Undifferentiated mesophyll
3.Palisade towards abaxial surface
4.Palisade towards adaxial surface
Answer 21.hydrophobic interactions
2.hydrophilic interactions
3.covalent bonds
4. ionic bonds
Answer 11. fallopian tube
2.uterine lining
3.seminal fluid
4.vaginal fluid
Answer 31.is not distinct
2. faces the ventral epidermis of the leaf
3. faces the dorsal epidermis of the leaf
4.is surrounded by metaxylem
Answer 31.fertilization membrane
2.antifertilizin
3. sperm lysin
4.fertilizin
Answer 31.Rabies
2.Cancer
3.Alkaptonuria
4. Phenylketonuria
Answer 11. Primary oogonia
2. secondary oogonia
3. primary spermatogonia
4.polar bodies
Answer 41. Rickets
2.Measles
3.Beri-beri
4.Syphilis
Answer 21.Pith little or absent
2.Secondary growth
3.Radial vascular bundles
4.Vascular bundles 15-20
Answer 41.Polio virus
2.Herpes virus
3.Cyanophage
4.Leukovirus
Answer 41.Pox virus
2.Flu virus
3. Tobacco mosaic virus
4. Bacteriophage
Answer 31.Dicot stem
2. Dicot root
3. Bryophytes
4.Monocot stem
Answer 41.Monocot root and Dicot stem
2. Dicot root and Dicot stem
3.Dicot root and Monocot stem
4.Dicot and Monocot stems
Answer 11.Oesophagus
2.Ileum
3.Duodenum
4.Stomach
Answer 31.The hormone secreted by the intestinal mucosa
2. The hormone secreted by mucosa
3.The hormone secreted by related to digestion
4.The hormone secreted by the gastric mucosa
Answer 11.Cholecystokinin
2.Gastrin
3. Pancreozymin
4. Secretin
Answer 3