All questions
- Match List - I with List - II. (a) Metamerism (i) Coelenterata Correct option: (3) (iii) (iv) (ii) (i) 2
- During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR (4) Denaturation is correct option 2
- Which one of the following belongs to the family muscidae? (1) House fly (2) Fire fly (3) Grasshopper (4) Cockroach (1) House fly is the correct option 2
- Which of the following statements wrongly represents the nature of smooth muscle? (1) These muscles are present in the wall of blood vessels (4) Communication among the cells is performed by intercalated discs 1
- In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be disease 4) 25% is correct option 2
- Read the following statements. (a) Metagenesis is observed in Helminths. (1) (b), (c) and (e) are correct 2
- The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are (2) pO₂ = 104 and pCO_(2 )= 40 2
- If adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it? (1) T : 20 ; G 25 : 25 ; C : 25 (4) T : 30 ; G : 20 ; C : 20 2
- Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature? (1) Pachytene (2) Leptotene (3) Zygotene (4) Diakinesis (4) Diakinesis is the correct option 2
- Match the following: (a) Physalia (i) Pearl oyster Correct option: (3) (ii) (iii) (iv) (i) 2
- Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli. (1) Low pO2, low pCO2, more H+ , higher temperature (2) High pO2, low pCO2, less H+ , lower temperature 2
- The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number (2) 8 is the correct answer 2
- Match List – I with List - II List I List-II (a) Aspergillus niger (i) Acetic Acid (b) Acetobacter aceti (ii) Lactic Acid (2) (iii) (i) (iv) (ii) correct answer is option (2) (iii) (i) (iv) (ii) 1
- Select the correct pair a) Cells of medullary rays that form part of combiai ring- interfascicular cambium a) Cells of medullary rays that form part of combiai ring- interfascicular cambium 1
- identify and write the wrong pair in followingin set qutub minar-mehrauli gol gumbaz -bijapur chhatrapati shivaji Maharaj Terminus-delhi Taj mahal-Agra Wrong pair: Chhatrapati Shivaji Maharaj Terminus – Delhi Chhatrapati Shivaji Maharaj Terminus (formerly Victoria Terminus) is in Mumbai, not... 1
- The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G1 phase is 8, what would be the (2) 8 is the correct option 2
- Receptors for sperm binding in mammals are present on: (1) Zona pellucida (2) Corona radiata (3) Vitelline membrane (4) Perivitelline space (1) Zona pellucida 2
- Succus entericus is referred to as : (1) Chyme (2) Pancreatic juice (3) Intestinal juice (4) Gastric juice Succus entericus is referred to as : Intestinal juice 2
- Identify the correct statement. (1) Split gene arrangement is characteristic of prokaryotes. (2) In capping,methyl guanosine (3) RNA polymerase binds with Rho factor to terminate the process of in bacteria. 1
- Plasmid pBR322 has PstI restriction enzyme site within gene amp R that confers ampicillin resistance. (2) It will not be able to confer ampicillin resistance to the host cell. 1
- Which of the following statements is incorrect ? (1) Oxidation-reduction reactions produce proton gradient in respiration. (3) In ETC (Electron Transport Chain), one molecule of NADH+H+ gives rise to 2 ATP molecules, and one FADH2 gives rise to 3 ATP molecules. 1
- DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as: (1) Polymorphic DNA (2) Satellite DNA (3) Repetitive DNA is correct option 2
- Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary DNA (4) Mutated gene does not appear on a photographic film as the probe has no complimentarity with it. 1
- Which of the following statements is incorrect ? (1) Cyclic photophosphorylation involves both PSI and PSII. (2) Both ATP and NADPH+H+ (1) Cyclic photophosphorylation involves both PSI and PSII. 2