Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth
Last Answer : (3) The Chromosome number is doubled
Description : In which cell division chromosome num- ber is reduced to half?
Last Answer : Meiosis
Description : At what stage of mitosis cell division does half of the chromosome move towards the North Pole and half towards the South Pole ?
Last Answer : Answer : In the anaphase stage of mitosis cell division, half of the chromosomes move towards the North Pole and half towards the South Pole.
Description : Assertion :- Kinetochore is essential for cell division. Reason :- Kinetochores serve as the sites of attachment of spindle fibres to the chromosome.
Last Answer : Assertion :- Kinetochore is essential for cell division. Reason :- Kinetochores serve as the sites of ... D. If both Assertion & Reason are false.
Description : During cell division, spindle fibers attach to which part of chromosome :-
Last Answer : During cell division, spindle fibers attach to which part of chromosome :- A. Primary constriction B. Sec. Constriction C. Chromomere D. Chromatid
Description : Which part of a plant cell helps maintain its shape?
Last Answer : cell wall
Description : Assertion :- Meiosis-1 is most significant phenomenon so that consistancy of reduction in coromosome so that consistancy of chromosome can be maintain
Last Answer : Assertion :- Meiosis-1 is most significant phenomenon so that consistancy of reduction in coromosome so ... D. If both Assertion & Reason are false.
Description : At what stage of mitosis division does the offspring chromosome form ?
Last Answer : In the anaphase stage of mitosis division, offspring chromosomes are formed.
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : A polyploid having chromosome sets from different sources such as different species is known as a. Autopolyploid b. Allopolyploid c. Aneuploid d. Haploid
Last Answer : b. Allopolyploid
Description : 1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated ... of bargets, coasters and dredgers? 20. In which country was Buddhism first propogated outside India?
Last Answer : Answer : 1. Father 2. President 3. Hertz 4. Mahogany 5. Archaeological excavations 6. December 20 7. International Year of Volunteers 8. Increase growth in lenght 9. Tropical moist deciduous ... . Boxing 17. Herbert Spencer 18. During a Financial Emergency 19. Garden Reach Shipyard 20. Srilanka
Description : Which gland helps to maintain the cal- cium content in blood?
Last Answer : Parathyroid
Description : What helps maintain your belief in God?
Last Answer : I have been near that line many times, I question my faith pretty critically at times. I think the experience I feel when worshiping is the biggest help. The feeling of His presence.
Description : ……….. helps to create and maintain social relationship. -Technology
Last Answer : Social networkinghelps to create and maintain social relationship.
Description : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood
Last Answer : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood A. `NH_ ... Uric acid D. `H^(+) and NH_(3)`
Last Answer : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from ... )` ions and urea D. Ammonia and creatinine
Description : What is a diet that helps you lower both your weight and maintain a healthy cholesterol level?
Last Answer : Soluble fiber can reduce the absorption of cholesterol into your bloodstream. Five to 10 grams or more of soluble fiber a day decreases your total and LDL cholesterol and help you lose weight.
Description : Management Software is used for? A. It helps to maintain and configure the infrastructure. B. It helps to deploy and integrate the application on the cloud. C. Both A and B D. None of the above
Last Answer : It helps to maintain and configure the infrastructure.
Description : Trickle charger of a storage battery helps to A. Maintain proper electrolyte level B. Increase its reverse capacity C. Prevent sulphation D. Keep it fresh and fully charged
Last Answer : D. Keep it fresh and fully charged
Description : The schools as an agent of society helps (a) To develop an adequate level of vocational competence in children (b) To provide children with an understanding of their environment (c) To prepare the child for life (d) To maintain social stability
Last Answer : (c) To prepare the child for life
Description : Which of the methods listed is used to maintain the division of load between two compound-wound, DC generators operating in parallel? A. The shunt fields are interconnected. B. The shunt ... generators are connected in series. D. The equalizer connection parallels the series fields of all machines.
Last Answer : Answer: D
Description : Mark the correct option a) The Inspector should maintain a register of lines and stages in respect of his sub division in form M-40 b) Entries should be made in the register in alphabetical ... in accordance with correction memos issued by the Superinendent from time to time. d) All the above
Last Answer : d) All the above
Description : Which of the following can be said as the “Theory of Darwin”? (a) Survival of the fittest and struggle for existence (b) Weak and strong always maintain a fixed proportion (c) different species do not arise by genetic mutaion (d) None of these
Last Answer : Ans:(a)
Description : Study the four statements (i-iv) given below and select the two correct ones out of them. (i) A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers. (ii) Predator star fish Pisaster helps ... (iii) (b) (iii) and (iv) (c) (i) and (iv) (d) (i) and (ii)
Last Answer : (d) (i) and (ii).
Description : Which one of the following statements is not true? (a) Pollen grains of many species cause severe allergies. (b) Stored pollen in liquid nitrogen can be used in the crop breeding programmes. (c) Tapetum helps in the dehiscence of anther. (d) Exine of pollen grains is made up of sporopollenin.
Last Answer : (c) Tapetum helps in the dehiscence of anther.
Description : is called for an organism that helps to define an entire ecosystem. a) Super species c) Dominant species b) Keystone species d) Precious species
Last Answer : Keystone species
Description : Sequence of taxonomic categories is (a) class–phylum–tribe–order–family–genus– species (b) division–class–family–tribe–order–genus– species (c) division–class–order–family–tribe–genus– species. (d) phylum–order–class–tribe–family–genus– species.
Last Answer : (b) division–class–family–tribe–order–genus– species
Description : Which of the following is less general in characters as compared to genus? (a) Species (b) Division (c) Class (d) Family
Last Answer : (b) Division
Description : A _____ is a communal association of microbes. a. Domain b. Biofilm c. Division d. Species
Last Answer : b. Biofilm
Description : What is the number of chromosome in a normal human body cell? -Do You Know?
Last Answer : 46 chromosomes Humans have 23 pairs of chromosomes, for a total of 46 chromosomes
Description : The number of DNA in chromosome at `G_(2)` stage of cell cycle
Last Answer : The number of DNA in chromosome at `G_(2)` stage of cell cycle A. One B. Two C. Four D. Eight
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 : What is A cell or organism having half of the diploid chromosome number?
Last Answer : Need answer
Description : In ‘S’ phase of the cell cycle (a) amount of DNA doubles in each cell (b) amount of DNA remains same in each cell (c) chromosome number is increased (d) amount of DNA is reduced to half in each cell.
Last Answer : (a) amount of DNA doubles in each cell
Description : What is the number of chromosome in a normal human body cell?
Last Answer : 46
Description : In a cell haploid chromosome number is 15. What number is found in Pollen grain, Zygote, Primary endosperm nucleus and Colchicine treated zygote.
Last Answer : Ans: 15 in pollen grain, 30 in zygote, 45 in Primary Endosperm nucleus and 60 in colchicine treated zygote.
Description : Put the following structures in order from smallest to biggest, Chromosome, Genome, Nucleotide Base, Codon, Gene, Cell Nucleus?
Last Answer : The order is nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell. :)
Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-
Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)
Description : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each chromosome. Reason:- Durring different stages of ce
Last Answer : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each ... D. If both Assertion & Reason are false.
Description : Which type of chromosome is present in the prophase of cell cycle?
Last Answer : Which type of chromosome is present in the prophase of cell cycle? A. 2 chromatid B. 1 chromatid C. 4 chromatid D. 8 chromatid
Description : What is a cell that only has one copy of each chromosome?
Description : Which of the following is called the powerhouse' of the cell? (1) Nucleus (2) Lysosome (3) Chromosome (4) Mitochondrion
Last Answer : (4) Mitochondrion Explanation: Mitochondria are sometimes described as "cellular power plants" because they generate most of the cell's supply of adenosine tri-phosphate (ATP), used as a source of ... cellular differentiation, cell death, as well as the control of the cell cycle and cell growth.
Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.
Last Answer : (d) the genetic code is universal.
Description : Which of the following is a correct match? (a) Down’s syndrome - 21st chromosome (b) Sickle cell anaemia - X-chromosome (c) Haemophilia - Y-chromosome (d) Parkinson’s disease - X and Y chromosome
Last Answer : a) Down’s syndrome - 21st chromosome
Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked
Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11
Description : Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.
Last Answer : a) sex-chromosome
Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome
Last Answer : (a) Two X chromosomes
Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.
Last Answer : (c) 1 : 1
Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense
Last Answer : (b) Chromosomes will not segregate.
Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent
Last Answer : b. lysogeny