Only attempt if you Know Two identical small equally charged conducting balls are suspended from long threads secured at one point. The charges and masses of the balls are such that they are in equilibrium when the distance between them is a (the length of the thread L...
1stBrainly
Asked:
December 2022
Which of the following is true? 1) Atlas - Axis joint is a cartilaginous joint 2) Axis remains articulated to skull with occipital condyle 3) The Atlas moves around the odontoid peg of the axis 4) Cocyx vertebrae provide place for the attachment of hip girdle
1stBrainly
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December 2022
Identify the site of PEPcase in C4 plants: 1) Cytoplasm of bundle sheath 2) Cytoplasm of mesophyll 3) Chloroplast of bundle sheath 4) Chloroplast of mesophyll
1stBrainly
Asked:
December 2022
In neurons the average resting membrane potential value is -70mv. This minus (-) sign indicates that : 1) Inner side of the membrane is negative to the outer side 2) Outer side of the membrane is negative relative to inner side 3) Outer side of the membrane is negative and...
1stBrainly
Asked:
December 2022
In India, at the occasion of marriages, the fire works used give green flame. Which one of the following metals may be present as it salt in the gun powder used? 1) Na 2) K 3) Ba 4) Ca
1stBrainly
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December 2022
. Middle lamella contains more amount of: 1) Ca 2) Mg only 3) Ca and Mg are equal amount 4) Ca, Mg and Mn
1stBrainly
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December 2022
X-ray analysis of ice crystals shows that each oxygen atom is surrounded 1) Octahedrally by six hydrogen atoms at a distance of 95.7 pm 2) Tetrahedrally by four other oxygen atoms at a distance of 276 pm 3) By two hydrogen atoms at a distance of 98.8 pm 4) Cubically...
1stBrainly
Asked:
December 2022
Which of the following statement is incorrect? 1) Clusters of neurons in CNS is called ganglia 2) Bundles of nerve fibres in CNS is called nerve tract 3) Oligodendroglia secrete myelin sheath in neurons of CNS 4) Bipolar neurons are present in some sense organs
1stBrainly
Asked:
December 2022
Substrate level phosphorylation is 1) When the substrate releases energy for the formation of ATP without the involvement of electron transport 2) Addition of phosphate in to the substrate during oxidation 3) Formation of ATP during the oxidation of substrate with the involvement of electron transport 4) Both 1 and...
1stBrainly
Asked:
December 2022
Which part of the ear plays no role in hearing as such but is otherwise very much required? 1) Ear ossicles 2) Euastachean tube 3) Vestibular apparatus 4) Organ of corti
1stBrainly
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December 2022
Consider the situation as shown. The maximum value of force F such that the block does not move 1) 5 N 2) 10 N 3) 15 N 4) 20 N
1stBrainly
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December 2022
Aquatic amphibians and chondrichthys: 1) Mainly excrete ammonia 2) Excrete urea and ammonia respectively 3) Excrete ammonia and urea respectively 4) Mainly excrete urea
1stBrainly
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December 2022
Which of the following is true regarding competitive imbibition: A) Substrate and inhibitor compete to binds with active site of enzyme B) Reversible process C) Km value increases 1) A only 2) C only 3) B only 4) A, B and C
1stBrainly
Asked:
December 2022
. The ascending limb of loop of Henle : 1) Is impermeable to electrolytes 2) Allows transport of electrolytes actively or passively 3) Allow the concentrated filtrate pass upward and further concentrate it due to the passage of electrolytes to the medullary fluid 4) Is permeable to water
1stBrainly
Asked:
December 2022
The muscles of a dead body can remain in contracted state termed rigor - mortis for several hours, due to the lack of : 1) Calcium ions needed to bind troponin 2) ATP needed to break acto-myosin complex 3) Oxygen supply needed for myosin 4) Phosphorylated myosin
1stBrainly
Asked:
December 2022
Consider the situation as shown in the figure. Choose the correct option 1) The friction force on the block is 1 N if m = 0.1kg 2) The friction force on the block is 5 N if m = 1.0kg 3) Both 1 and 2 are correct 4) Both 1...
1stBrainly
Asked:
December 2022
Identity the main reason for the stability of plasma membrane: 1) Phospholipid 2) Cholesterol 3) Carbohydrate 4) Lecithin
1stBrainly
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December 2022
The pH of 0.02 M NH4Cl (aq) (pKb = 4.73) is equal to 1) 3.78 2) 4.73 3) 5.48 4) 7.00
1stBrainly
Asked:
December 2022
How many tricarboxylic acids are formed during in a single Krebs cycle: 1) Two 2) Three 3) Four 4) Six