Biology Growth and Development MCQs Chapter 5 Class 12





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Biology Ch 5 Class 12 Growth and Development

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When a fetus is in the uterus, what carries oxygen away from the placenta?

NTS 2013
Biology
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Cambium are examples of

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Tails can be regenerated in:

NUMS 2015
Biology
Growth and Development
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Sertoli cells

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The process of aging:

NUMS 2015
Biology
Growth and Development
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The major sign and symptoms of microcephaly is:

NTS 2010
Biology
Growth and Development
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The best function of coelom is described as:

PMC Practice 2
Biology
Growth and Development
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Speed of growth is

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Intercalary meristems are of

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Germ layers are formed in which stage of development?

NUMS 2020
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Growth and Development
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Meristems are of

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A bean seed contains all of the following except:

NTS 2012
Biology
Growth and Development
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The cells that play a vital role in the differentiation of various body parts are called:

NUMS 2014
Biology
Growth and Development
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The condition due to loss of appetite for food is termed as:

NTS 2016 DUHS & JSMU
Biology
Growth and Development
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The disease that arises due to increasing age is:

NTS 2018
Biology
Growth and Development
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A plant has a growth pattern called

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The only promoter of leaf senescence in the following plant hormones is?

PMC Sample 3
Biology
Growth and Development
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The egg of a chick is laid at which of the following stages?

NTS 2015 DUHS and JSMU
Biology
Growth and Development
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Plasticity of cell wall increases during

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The most abundant organic molecule on the planet earth is:

NUMS 2016
Biology
Growth and Development
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Higher plants grow through

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Thymus is found in the human body in _____.

PMC Practice 2
Biology
Growth and Development
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Fetus is human embryo from the beginning of which of the following?

PMC Sample 2
Biology
Growth and Development
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he only promoter of Leaf’s senescence in the following plant hormones is:

PMC Practice 9
Biology
Coordination and Control
Growth and Development
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Wood is not formed in:

NUMS 2015
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Growth and Development
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Cells elongate by

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In plants growth is of

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The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

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Turner’s syndrome is characterized by having:

UHS 2015
Biology
Growth and Development
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Microcephaly, the small sized skull is due to:

NUMS 2016
Biology
Growth and Development
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Thyroxine deficiency in adults’ results in a condition called:

UHS 2015
Biology
Growth and Development
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Determinate growth is

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Cytoplasmic localization is a consequence of:

NTS 2011
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Cells of fibers and tracheids elongate during

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The individual with harelip shows which of the following conditions?

NUMS 2014
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Growth and Development
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Leukaemia is associated with an increased number of _____ in blood.

NTS 2016 DUHS & JSMU
Biology
Growth and Development
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______ is the reconstruction of the lost part of the body.

NTS 2012
Biology
Growth and Development
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All of the followings are the effects of red light on plant, EXCEPT:

NTS 2016 SMBBMC
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Growth and Development
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Which of the following is not related to apoptosis?

NUMS 2015
Biology
Growth and Development
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Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
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The reason plants are considered totipotent is:

NUMS 2019 Cancelled
Biology
Growth and Development
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_____ cells store surplus food and _____ cells produce new cells for growth and development of the plant:

NUMS 2019 Cancelled
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Growth and Development
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Meristems are group of cells that

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Growth of multicellular plants occur in

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In some cases, the blastomere can produce complete embryo so, the cleavage will be:

PMC Practice 1
Biology
Growth and Development
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Which of the following is NOT a function of Abscisic acid?

PMC Sample 3
Biology
Growth and Development
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The fate of each blastomere is foretold. What will that cleavage be?

PMC Sample 2
Biology
Growth and Development
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Germ cells give rise to:

NTS 2012
Biology
Growth and Development
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The active sites of all enzyme are formed by:

NUMS 2016
Biology
Growth and Development
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Growth process is

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Apical meristems are located at

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Over-secretion of cortical hormone causes a disease called;

UHS 2015
Biology
Growth and Development
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Secondary growth is actually

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Human embryo remains enclosed in:

PMC Practice 1
Biology
Growth and Development
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In multicellular plants cell division occur by

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Lateral meristems are present in

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Vegetative roots and shoots grow by

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Function of intercalary meristems is

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The fate of each blastomere is foretold. What will that cleavage be?

PMC Practice 9
Biology
Growth and Development
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In cystic fibrosis, liposomes-microscopic vesicles are sued which are coated with:

UHS 2015
Biology
Growth and Development
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Nutrition to egg in ovary is provided by which of the following?

PMC Practice 1
Biology
Growth and Development
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Typical symptoms like enlarged breasts and small testis in male are attributed to:

UHS 2015
Biology
Growth and Development
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