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WorksheetsPeriodic Test-I (Part-I)
Total questions: 20
Worksheet time: 40mins
Scutellum is
Grass embryo
Grass seed
Grass fruit
Grass cotyledon
Autogamy can occur in a chasmogamouus flower if
Pollen matures before maturity of ovule
Ovule mature before maturity of pollen
Both ovule and pollen matures simultaneously
Both anther and stigma are of equal length
In a fertilized embryo sac ,haploid,diploid, triploid structures are
Synergid,zygote, PEN
Synergids, antipodal, polar nuclei
Antipodal, synergids, PEN
Synergids, polar nuclei, zygote
In the embryo of a typical dicot and a grass true homologous structures are
Coleorhiza, coleoptile
Coleoptile,scutellum
Cotyledon,scutellum
Hypocotyl,radicle
The process of formation of seeds without fertilization in flowering plants is known as
budding
apomixis
sporulation
somatic hybridisation
Rewards and attractants are required for
entomophily
cleistophily
anemophily
hydrophily
Where does implantation take place?
vagina
uterus wall
ovary
oviduct
Which of the following statements is NOT true?
Primary spermatocytes are diploid
Spermatogonia are diploid
Spermatids are haploid
Secondary spermatocytes are diploid
Name the cell that supplies nutrients to spermatids while they develop into spermatozoa
Sertoli cell
Leydig cell
seminiferous cell
Germinal epithelium cell
Prostate cell
A temporary endocrine gland in the human body is
Pineal gland
Hypothalamus
Corpus luteum
Pitutary gland
FAMILY PLANNING IN INDIA INTRODUCED IN
1971
1951
1961
1941
AMNIOCENTESIS IS THE METHOD USED TO DETERMINE SEX BASED ON
STRUCTURE OF NUCLEUS
CHROMOSOMAL PATTERN
BANDING PATTERN IN CHROMOSOME
CHROMOSOME NUMBER
NATURAL METHODS OF CONTRACEPTION DOES NOT INCLUDE
Lactational amenorrhoea
Coitus Interruptus
Withdrawl
Vasectomy
INTRA UTERINE DEVICES CAUSE
Phagocytosis of sperm
Decrease in sperm motility
Cervix hostile to sperms
All of the above
SEXUALLY TRANSMITTED INFECTIONS DO NOT INCLUDE
AIDS
HEPATITIS-B
GONORRHOEA
DENGUE
IN THE FOLLOWING ASSISTED REPRODUCTIVE TECHNOLOGY INTRODUCTION OF ZYGOTE /EMBRYO WITH 8-BLASTOMERES INTO FALLOPIAN TUBE IS
GIFT
ZIFT
ICSI
IUI
Saheli IS CONSIDERED TO BE IMPROVED FORM OF ORAL CONTRACEPTIVE BECAUSE
IT IS STEROIDAL AND HAS MANY SIDE EFFECTS
IT IS NON -STEROIDAL AND HAS VERY LESS SIDE EFFECTS
IT IS THE MIXTURE OF ESTROGEN-PROGESTOGEN
NONE OF THE ABOVE
Assertion: Spermatogenesis starts at the age of puberty.
Reason: There is a siginificant increase in level of gonadotropin releasing hormone at puberty.
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
If Assertion is true but Reason is false.
If both Assertion and Reason are false.
Assertion: Periodic abstinence is a method in which couples avoid from coitus from day 17 to 27 of menstrual cycle.
Reason: It is a very effective method and 100% sure of birth control.
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
If Assertion is true but Reason is false.
If both Assertion and Reason are false.
