Description : If an egg cell contains 50 chromosomes how many chromosomes are in sperm cell from the same species?
Last Answer : 50
Description : In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?
Last Answer : Need answer
Description : If a male organism has 40 chromosomes in each body cell how many chromosomes does a female of the same species have in each body cell?
Last Answer : you answer
Description : A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has (a) twice the number of chromosomes and four times the amount of DNA (b) ... of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA
Last Answer : (a) twice the number of chromosomes and four times the amount of DNA
Description : Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells
Last Answer : d) Egg cell and antipodal cells
Description : Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.
Last Answer : (d) can reproduce freely with each other and form seeds
Description : Which cell contains only DNA on chromosomes ?
Last Answer : : Chromosome DNA contains only stem cells.
Description : If a diploid cell contains twenty eight chromosomes and it goes through meiosis how many chromosomes will each daughter cell have?
Last Answer : Feel Free to Answer
Description : The human cell contains (a) 44 chromosomes (b) 48 chromosomes (c) 46 chromosomes (d) 23 chromosomes
Last Answer : Ans:(c)
Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component
Last Answer : C.80S ribosomes are distributed in cytoplasm
Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component
Last Answer : 80S ribosomes are distributed in cytoplasm
Description : In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.
Last Answer : (c) the ratio of pairs of X-chromosomes to the pairs of autosomes
Description : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas
Last Answer : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What ... & 100 chromosomes D. 50 DNA & 25 chromosomes
Description : If a diploid cell has 50 chromosomes how many chromosomes does the haploid cell of that organism have?
Last Answer : 25
Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present
Last Answer : Gas vacuoles are present
Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.
Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.
Description : Dinosaurs were - (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct
Last Answer : (4) reptiles that became extinct Explanation: Although the word dinosaur means "terrible lizard," the name is somewhat misleading, as dinosaurs are not lizards. Rather, they represent a separate ... be dinosaurs, most of the scientific community believed dinosaurs to be sluggish and cold-blooded.
Description : Dinosaurs were (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct
Last Answer : reptiles that became extinct
Description : Chromosomes in a bacterial cell can be 1 – 3 in number and (a) are always circular (b) are always linear (c) can be either circular or linear, but never both within the same cell (d) can be circular as well as linear within the same cell
Last Answer : (a) are always circular
Description : The number of chromosomes in swamp Buffalo is a. 2n=50 b. 2n=60 c. 2n=48 d. 2n=40
Last Answer : c. 2n=48
Description : Egg contains very little (A) Fat (B) Proteins (C) Carbohydrates (D) Calcium and phosphorus
Last Answer : Answer : C
Description : A whole egg, including the albumen, contains about ____ calories. a. 15 c. 40 b. 75 d. 120
Last Answer : b. 75
Description : Living cell contains 60 – 95% water. Water present in human body is (a) 60 – 65% (b) 50 – 55% (c) 75 – 80% (d) 65 – 70%.
Last Answer : (d) 65 – 70%.
Description : Is the mass of a chicken egg 50 kilograms or 50 grams?
Last Answer : 50 grams
Description : Chemical score of egg proteins is considered to be (A) 100 (B) 60 (C) 50 (D) 40
Last Answer : Answer : A
Description : How much calorie of energy is released by a boiled egg? (1) 40 (2) 50 (3) 60 (4) 77
Last Answer : (4) 77 Explanation: 77-78 calories are released in a large size boiled egg. Boiled eggs are eggs (typically chicken eggs) cooked by immersion in boiling water with their shells unbroken.
Description : How much calorie of energy is released by a boiled egg ? (1) 40 (2) 50 (3) 60 (4) 77
Last Answer : 77
Description : Silent Valley of Kerala – (1) is the only evergreen forest in India (2) contains costly timber trees (3) is a good picnic spot (4) contains rare species of plants and animals
Last Answer : (4) contains rare species of plants and animals Explanation: Silent Valley National Park, is located in the Nilgiri Hills, Palakkad District in Kerala. The park is one of the last undisturbed ... Save Silent Valley which resulted in cancellation of the project and creation of the park in 1980.
Description : Red data book contains data of which of the following? (1) All plant species (2) All animal species (3) All endangered species (4) All extinct species
Last Answer : (3) All endangered species Explanation: The Red Data Book is the state document established for documenting rare and endangered species of animals, plants and fungi as well as some local sub-species that exist within the territory of the state or country.
Description : Red list contains data or information on (a) all economically important plants (b) plants whose products are in international trade (c) threatened species (d) marine vertebrates only.
Last Answer : (c) threatened species
Description : What is the name given for a species that contains a positively charged carbon atom? (a) carbanion (b) carbocation (c) methyl radical (d) free radical
Last Answer : carbanion
Description : Illicium verum is a spice commonly used in the cuisines of South And South East Asia. The Chinese call it Baijiao, meaning eight-cornered', which is perhaps a more accurate name than the English one- ... are similar to the English name while the French use a form of the Persian name. What spice?
Last Answer : Star Anise.
Description : Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2
Last Answer : PCl3
Description : Which one of the following species contains a polar covalent bond? A oxygen B carbon dioxide C sodium chloride D magnesium fluoride E helium
Last Answer : B carbon dioxide
Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science
Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.
Description : In which type of cell divisions does crossing over of chromosomes takes place? -Do You Know?
Last Answer : answer:
Description : At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?
Last Answer : The number of chromosomes in the offspring cell formed during the division of miosis-1 is half of the number of chromosomes in the mother cell.
Description : How many chromosomes are there in each cell of human body ?
Last Answer : Each cell of the human body has 23 pairs or 46 chromosomes.
Last Answer : : The nucleus contains 2n chromosomes.
Last Answer : There are 46 chromosomes in each human body cell.
Description : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT" chromosomes.
Last Answer : $ DNA replication in a bacterial cell is bidirectional. ! A chromosomes with primary constriction is called "SAT ... D. If both As and R are wrong.
Description : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- Complete disintegration of nuclear envelope marks
Last Answer : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- ... D. If both Assertion & Reason are false.
Description : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-
Last Answer : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :- A. 23 B. 46 C. 92 D. 69
Description : If the cell had diploid or 2n number of chromosomes at `G_(1)`, after S phase the number of chromosomes in the cell is ?
Last Answer : If the cell had diploid or 2n number of chromosomes at `G_(1)`, after S phase the number of chromosomes in the cell is ? A. 2 n B. 4 n C. n D. 3n
Description : When synapsis is complete all along the chromosomes, the cell is said to have entered a stage called
Last Answer : When synapsis is complete all along the chromosomes, the cell is said to have entered a stage ... . Zygotene B. Pachytene C. Diplotene D. Diakinesis
Description : In which stage of cell division, number of chromosomes best counted:-
Last Answer : In which stage of cell division, number of chromosomes best counted:- A. Prophase B. Metaphase C. Telophase D. Interphase
Description : If a normal human cell has 46 chromosomes how many chromosomes will its daughter cell have?
Description : How does the number of chromosomes in each of the daughter cells produced in mitosis compared to the number of chromosomes in the original cell?
Last Answer : In which phase of plant cell mitosis is the most time spent? Inwhich phase of animal cell mitosis?
Description : When during the cell cycle do chromosomes first become visible?
Description : Why does chromatin need to condense into chromosomes before cell division?