set 6 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 6 EXERCISES
-
MCQ on Biology GK Questions and Answers for UPSC SSC RRB »
-
Important 150+ Biology GK MCQ Questions Answers For IBPS »
-
New 199+ Plant Physiology Biology Questions Answers SSC »
-
Top Physiology Multiple Choice GK Questions Answers »
-
Best 199+ Biology Objective Test Questions For Govt Exam »
-
Top Biology (MCQs) Multiple Choice Questions for Banks »
The following question based on physiology of plants, humans and animals topic of general science mcq
(a) spinal cord
(b) brain
(c) tendons
(d) nerves
The correct answers to the above question in:
Answer: (c)
Discuss Form
Read more biology Based General Science Questions and Answers
Question : 1
Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enable them to resemble with which of the following?
a) Pteridophytes
b) Fungi
c) Algae
d) Angiosperms
Answer »Answer: (c)
Like algae, bryophytes are nonvascular. True roots, leaves and stems are also missing.
This similarity has caused scientists to regard the bryophyte as an intermediary in the evolution from algae to land plants.
Question : 2
Air is breathed through
a) Nose — larynx — pharynx — bronchus — alveoli — bronchioles
b) Trachea — lungs — larynx — pharynx — alveoli
c) Nostrils — pharynx — larynx — trachea — bronchi — bronchioles — alveoli
d) Nose — mouth — lungs
Answer »Answer: (c)
The pathway of inhaled air is -
Nostrils - pharynx (common passage for food & air) - larynx (voice box) - trachea (the windpipe) - bronchi (2 for each side lungs) - bronchioles (give rise to alveolar ducts) - alveoli (the exchange site for gases in the form of small sacs or pouches).
Question : 3
Translocation of carbohydrate nutrients usually occurs in the form of
a) maltose
b) starch
c) glucose
d) sucrose
Answer »Answer: (d)
Translocation of organic solutes occur through sieve tubes in the form of sucrose. Transportable form of sugar is sucrose.
Question : 4
Which of the following statement(s) is/are true?
- Synapsis of homologous chromosomes takes place during prophase I of meiosis.
- Division of centromeres takes place during anaphase I of meiosis.
- Spindle fibres disappear completely in telophase of mitosis.
- Nucleoli reappear at telophase I of meiosis.
a) 1 and 2
b) 3 only
c) 1 only
d) 1, 3 and 4
Answer »Answer: (d)
Division of centromeres takes place during Anaphase II of meiosis.
Question : 5
Pneumatic bones of birds
a) increase the $CO_2$ output
b) increase the heart beat rate
c) increase the respiratory rate
d) increase the buoyancy
Answer »Answer: (d)
Pneumatic bones in birds help in increasing buoyancy which eventually help them in flying by decreasing bone density.
Question : 6
What wasthe mostsignificant conclusion that Gregor Mendel drew from his experiment with pea plant?
a) Recessive genes occur more frequently in the F1 than do dominant ones.
b) There is considerable genetic variation is garden peas.
c) Traits are inherited in discrete units, and are not the results of “blending”.
d) Genes are composed of DNA.
Answer »Answer: (c)
Greger Mendel proposed that traits are transferred not as blended but in discrete units which be called "factors".
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »