Skip to main content
Sarkari MCQs Government Exam Question Bank
Menu
Question no. 4871

The synthesis of 10g of glucose demands an input amounting to ______________ of energy?

Select your answer for: The synthesis of 10g of glucose demands an input amounting to ______________ of energy?
Show answer

Answer: A. 717.6 Kcal

Explanation

The standard biochemical energy requirement for synthesizing one gram-molecule of glucose is 717.6 kcal. Scaling this thermodynamic calculation down directly yields the energy needed for ten grams. Photosynthetic pathways require this specific energy input to convert carbon dioxide into organic sugars. Photosynthesis captures solar energy and converts it into chemical energy stored in glucose bonds. Thermodynamic principles dictate the exact minimum energy required for specific biochemical synthesis. One mole of glucose has a molecular weight of approximately 180 grams.

Agricultural scientists study photosynthetic efficiency to improve crop yields and energy conversion. Cellular energetics is fundamental for understanding how living organisms store and utilize power. Biofuel production relies on optimizing the natural energy storage mechanisms found in plants. 727 kcal represents an inaccurate estimate that deviates from standard biochemical calculations. 737 kcal overestimates the precise energy requirement for synthesizing this amount of glucose. 747 kcal is incorrect because thermodynamic data points strictly to the lower value.

Subject
Biology
Category
Biology
Topic
—
Difficulty
medium

Related questions

Q1. Fungi exhibit plant-like traits because they lack___________?

Select your answer for: Fungi exhibit plant-like traits because they lack___________?
Show answer

Answer: C. Centriole

Fungi share certain fundamental traits with plants, such as possessing rigid cell walls. Despite these similarities, fungal cells completely lack centrioles in their cellular architecture. Centrioles are typically found...

Q2. Fungal species acquiring nutrients directly from decaying organic material are categorized as______________?

Select your answer for: Fungal species acquiring nutrients directly from decaying organic material are categorized as______________?
Show answer

Answer: D. Decomposers

Decomposers break down dead or decaying organic matter into simpler chemical components. This process successfully returns essential nutrients to the surrounding ecosystem for reuse. Fungi fulfilling this ecological role...

Q3. Respiratory gas exchange in avian species takes place at the level of_______________?

Select your answer for: Respiratory gas exchange in avian species takes place at the level of_______________?
Show answer

Answer: D. Parabronchi

In birds, gas exchange occurs across the walls of microscopic parallel tubes called parabronchi. Unlike mammalian lungs, avian respiratory systems utilize unidirectional airflow through these rigid tubes. Parabronchi pro...

Q4. Allelic genes fail to exist in paired arrangements within the_____________?

Select your answer for: Allelic genes fail to exist in paired arrangements within the_____________?
Show answer

Answer: C. Sperm cells of frog

Sperm cells are haploid gametes containing only a single set of unpaired chromosomes. Because they are haploid, allelic genes do not exist in pairs within them. Meiosis reduces the chromosome number by half to ensure gen...

Q5. Biological carriers of hereditary data comprise____________?

Select your answer for: Biological carriers of hereditary data comprise____________?
Show answer

Answer: B. Chromosomes

Chromosomes are organized structures of DNA and protein that serve as primary hereditary carriers. They package vast amounts of genetic information neatly inside the cell nucleus. During cell division, chromosomes ensure...

Q6. The viral genome is constructed from: ____________?

Select your answer for: The viral genome is constructed from: ____________?
Show answer

Answer: D. Both A & B

Viral genomes exhibit remarkable diversity, consisting of either DNA or RNA as their core. Some viruses utilize double-stranded DNA, while others rely on single or double-stranded RNA. This genetic flexibility allows vir...

New!

Mock Test System is now available!

Prepare for your exam with interactive mock tests. Select your subjects, attempt 100 random MCQs against the clock, and see exactly where you stand.

Start Mock Test