STD 11 - 17. Locomotion and movement — NEET STD 11 Science — Question

Nicotine is

The attachment of the mammalian blastocyst to the uterine wall is

The most important distinctive character of chordata is the presence of

Given below are two statements :
Statement - I : Membrane-bound organelles of the endomembrane system coordinate cellular functions.
Statement - II : Mitochondria and chloroplasts are not considered a part of the endomembrane system.
In the light of the above statements, choose the mostappropriate answer from the options given below :

Dengue is transmitted by

Delete odd one.

The number of hormones secreted from anterior pituitary is

Fill in the blanks.
(i) Cancer causing agents are called A and cancer causing viruses are called B which have genes called C.
(ii) D or E genes present in normal cells when activated under certain conditions lead to oncogenic transformation of cells.
(iii) In treatment of cancer, patients are given substances called biological response modifier such as F which activates their immune system & helps in destroying tumor.
(iv) Heroin commonly called G is chemically H which is obtained from morphine by I reaction and is extracted from latex of poppy plant J (Scientific name).
(v) Cannabinoids are obtained from the infloroscence of the plant K. They are known for their effects on L system of body.
(vi) Cocaine is obtanied from coca plant M native to N. It interferes with transport of neuro- transmitter O.
(vii) Morphine is very effective P and Q and is very useful in patients who have undergone surgery.
(viii) R is a chemical substance in tobacco that stimulates adrenal gland to release adrenaline and nor-adrenaline into blood.
(ix) Adolescence means both S and T during which a child becomes mature. The period between U and V years of age is adolescence period.
(x) Dependence is the tendency of the body to manifest a characteristic and unpleasant W syndrome.
(xi) Excessive doses of drugs may lead to coma and death due to respiratory failure, heart failure or X.
(xii) The chronic use of drugs and alcohol damages nervous system and Y.
(xiii) The damage to liver due to excessive use of drugs and alcohol is called Z.
choose the correct option given below :-