The energy yield in terms of ATP is higher in aerobic respiration
Question: The energy yield in terms of ATP is higher in aerobic respiration than anaerobic respiration. Why anaerobic respiration occurs even in organisms that live in aerobic condition like human beings and angiosperms? Solution: Anaerobic respiration occurs in organisms that live in aerobic condition like human beings when there is intensive exercise or stress on a muscle. In angiosperms, the germination of seeds leads to anaerobic respiration for releasing the energy for the seedling to emerg...
Read More →What is meant by the statement
Question: What is meant by the statement aerobic respiration is more efficient.? Solution: Aerobic respiration produces more energy as compared to anaerobic respiration. It is a high energy-yielding process. Also, it produces less energy when compared to anaerobic respiration....
Read More →If a person is feeling dizzy,
Question: If a person is feeling dizzy, glucose or fruit juice is given immediately, but not a cheese sandwich Explain. Solution: Glucose or fruit juice is a simpler food product which is easily absorbed and assimilated by the body and it is easily oxidized to form energy...
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{2 \cos 2 x+\sec ^{2} x}{\sin 2 x+\tan x-5} d x$ Solution: Assume $\sin 2 x+\tan x-5=t$ $d(\tan x+\sin 2 x-5)=d t$ $\left(2 \cos 2 x+\sec ^{2} x\right) d x=d t$ Put $t$ and $d t$ in given equation we get $\Rightarrow \int \frac{d t}{t}$ $=\ln |t|+c$ But $t=\sin 2 x+\tan x-5$ $=\ln |\sin 2 x+\tan x-5|+c$...
Read More →The product of glycolysis (under hypoxia)
Question: The product of glycolysis (under hypoxia) in skeletal muscle and anaerobic fermentation in yeast are respectively _____________ and ________________. Solution: The product of glycolysis (under hypoxia) in skeletal muscle Is lactic acid while anaerobic fermentation in yeast is ethanol and carbon dioxide i.e., C2H5OH and CO2....
Read More →Which of the following will release more energy
Question: Which of the following will release more energy on oxidation? Arrange them in ascending order. a. 1 gm of fat b. 1 gm of protein c. 1 gm of glucose d. 0.5 g of protein + 0.5g glucose Solution: 1 gm of glucose 0.5 g of protein + 0.5g glucose 1 gm of protein 1 gm of fat. This will be the ascending order based on their oxidation energy....
Read More →When does anaerobic respiration
Question: When does anaerobic respiration occur in man and yeast? Solution: Anaerobic respiration occurs in man when there is intensive exercise or stress on a muscle which leads to inadequate oxygen in the cells. In yeast, it occurs when there is incomplete oxidation of glucose....
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{\sec ^{2} x}{\tan x+2} d x$ Solution: Assume $\tan x+2=t$ $d(\tan x+2)=d t$ $\left(\sec ^{2} x d x\right)=d t$ Put $\mathrm{t}$ and $\mathrm{dt}$ in given equation we get $\Rightarrow \int \frac{\mathrm{d} t}{\mathrm{t}}$ $=\ln |\mathrm{t}|+\mathrm{c}$ But $t=\tan x+2$ $=\ln |\tan x+2|+c$...
Read More →F1 particles participate in the synthesis of ________________.
Question: F1 particles participate in the synthesis of ________________. Solution: It has the site for the synthesis of ATP from ADP and inorganic phosphate....
Read More →Different substrates get oxidized during respiration.
Question: Different substrates get oxidized during respiration. How does Respiratory Quotient (RQ) indicate which type of substrate, i.e., carbohydrate, fat or protein is getting oxidized? R. Q. = A/B What do A and B stand for? What type of substrates have R.Q. of 1, 1 or 1? Solution: Respiratory Quotient (RQ) indicate which type of substrate, i.e., carbohydrate, fat or protein is getting oxidized by measuring the volume of carbon dioxide, i.e., CO2released or evolved by the volume of oxygen O2c...
Read More →Differentiate
Question: Differentiate $\left(\frac{x^{2}+3 x-1}{x+2}\right)$ Solution: To find: Differentiation of $\left(\frac{x^{2}+3 x-1}{x+2}\right)$ Formula used: (i) $\left(\frac{u}{v}\right)^{\prime}=\frac{u^{\prime} v-u v^{\prime}}{v^{2}}$ where $v \neq 0$ (Quotient rule) (ii) $\frac{d x^{n}}{d x}=n x^{n-1}$ Let us take $u=\left(x^{2}+3 x-1\right)$ and $v=(x+2)$ $u^{\prime}=\frac{d u}{d x}=\frac{d\left(x^{2}+3 x-1\right)}{d x}=2 x+3$ $v^{\prime}=\frac{d v}{d x}=\frac{d(x+2)}{d x}=1$ Putting the above ...
Read More →Explain the term “Energy Currency”.
Question: Explain the term Energy Currency. Which substance acts as energy currency in plants and animals? Solution: The energy currency is the energy which is stored and released in living organisms. Adenosine Triphosphate ATP acts as energy currency in plants and animals....
Read More →Energy is released during the oxidation of compounds
Question: Energy is released during the oxidation of compounds in respiration. How is this energy stored and released as and when it is needed? Solution: The energy which gets released during the oxidation of compounds in respiration is stored as Adenosine Triphosphate i.e., ATP. The ATP is stored in the form of chemical bonds. ADP + IP + energy ATP (ADP = Adenosine Diphosphate and IP = Inorganic phosphorous) When energy is required then, this bond energy is broken and utilised ATP ADP + IP + en...
Read More →Match the following and choose the correct
Question: Match the following and choose the correct option from those given below. Options a. A-ii, B-iii, C-iv, D-i b. A-iii, B-iv, C-ii, D-i c. A-ii, B-i, C-iii, D-iv d. A-iv, B-iii, C-i, D-ii Solution: Option (a)A-ii, B-iii, C-iv, D-i is the answer....
Read More →The end product of oxidative phosphorylation is
Question: The end product of oxidative phosphorylation is a. NADH b. Oxygen c. ADP d. ATP + H2O Solution: Option (d)ATP + H2O is the answer....
Read More →Mitochondria are called powerhouses of the cell.
Question: Mitochondria are called powerhouses of the cell. Which of the following Do observations support this statement? a. Mitochondria synthesise ATP b. Mitochondria have a double membrane c. The enzymes of the Krebs cycle are found in mitochondria. d. Mitochondriaare found in almost all plants and animal cells. Solution: Option (a)Mitochondria synthesise ATPb is the answer....
Read More →Differentiate
Question: Differentiate $\left(\frac{2 x^{2}-4}{3 x^{2}+7}\right)$ Solution: To find: Differentiation of $\frac{\left(2 x^{2}-4\right)}{\left(3 x^{2}+7\right)}$ Formula used: (i) $\left(\frac{u}{v}\right)^{\prime}=\frac{u^{\prime} v-u v^{\prime}}{v^{2}}$ where $v \neq 0$ (Quotient rule) (ii) $\frac{d x^{n}}{d x}=n x^{n-1}$ Let us take $u=\left(2 x^{2}-4\right)$ and $v=\left(3 x^{2}+7\right)$ $u^{\prime}=\frac{d u}{d x}=\frac{d\left(2 x^{2}-4\right)}{d x}=4 x$ $v^{\prime}=\frac{d v}{d x}=\frac{d\...
Read More →Which of the following exhibits the highest
Question: Which of the following exhibits the highest rate of respiration? a. Growing shoot apex b. Germinating seed c. Root tip d. Leaf bud Solution: Option (b)Germinating seed is the answer....
Read More →Electron Transport System (ETS) is located in mitochondrial
Question: Electron Transport System (ETS) is located in mitochondrial a. Outer membrane b. Inter membrane space c. Inner membrane d. Matrix Solution: Option (c)Inner membrane is the answer....
Read More →Pyruvic acid, the key product of glycolysis
Question: Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under the aerobic condition, it forms a. Lactic acid b. CO2+ H2O c. Acetyl CoA + CO2 d. Ethanol + CO2 Solution: Option (c)Acetyl CoA + CO2 is the answer....
Read More →Phosphorylation of glucose during glycolysis
Question: Phosphorylation of glucose during glycolysis is catalysed by a. Phosphoglucomutase b. Phosphoglucoisomerase c. Hexokinase d. Phosphorylase Solution: Option (c)Hexokinase is the answer....
Read More →The ultimate electron acceptor of respiration
Question: The ultimate electron acceptor of respiration in anaerobic organisms is: a Cytochrome b Oxygen c Hydrogen d Glucose Solution: Option (b)Oxygenis the answer....
Read More →Differentiate
Question: Differentiate $\frac{e^{x}}{\left(1+x^{2}\right)}$ Solution: To find: Differentiation of $\frac{e^{x}}{\left(1+x^{2}\right)}$ Formula used: (i) $\left(\frac{u}{v}\right)^{\prime}=\frac{u^{\prime} v-u v^{\prime}}{v^{2}}$ where $v \neq 0$ (Quotient rule) (ii) $\frac{d e^{x}}{d x}=e^{x}$ (iii) $\frac{d x^{n}}{d x}=n x^{n-1}$ Let us take $u=e^{x}$ and $v=\left(1+x^{2}\right)$ $u^{\prime}=\frac{d u}{d x}=\frac{d\left(e^{x}\right)}{d x}=e^{x}$ $v^{\prime}=\frac{d v}{d x}=\frac{d\left(1+x^{2}...
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{1}{\sqrt{1-x^{2}}\left(2+3 \sin ^{-1} x\right)} d x$ Solution: Assume $2+3 \sin ^{-1} x=t$ $d\left(2+3 \sin ^{-1} x\right)=d t$ $\Rightarrow \frac{3}{\sqrt{1-x^{2}}} d x=d t$ $\Rightarrow \frac{d x}{\sqrt{1-x^{2}}}=\frac{d t}{3}$ But $t=2+3 \sin ^{-1} x$ $=\frac{1}{\mathrm{~b}^{2}} \ln \left|2+3 \sin ^{-1} \mathrm{x}\right|+\mathrm{c}$...
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{x+1}{x(x+\log x)} d x$ Solution: Assume $x+\log x=t$ $\mathrm{d}(x+\log x)=\mathrm{dt}$ $\Rightarrow\left(1+\frac{1}{x}\right) d x=d t$ $\Rightarrow\left(\frac{x+1}{x}\right) d x=d t$ Put $t$ and $d t$ in the given equation we get $\Rightarrow \int \frac{\mathrm{dt}}{\mathrm{t}}$ $=\ln |\mathrm{t}|+\mathrm{c}$ But $t=x+\log x$ $=\ln |x+\log x|+c$...
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