The first stage of development in which a cavity appears is the__________?

Related Mcqs:

1. A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is__________?

   A. Pyrolysis
   B. Pyrosis
   C. Peristalsis
   D. Dyspepsia

2. The single main opening of the sponge cavity is____________?

   A. Osculum
   B. Ostia
   C. Spongocoel
   D. None of these

3. In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.

   A. Ligule
   B. Radula
   C. Mantle
   D. Muscle

4. The foetus is protected from the mechanical damage by the__________?

   A. cervix
   B. vagina
   C. uterus
   D. amniotic fluid

   Submitted by: Maryam Aftab

5. In the human body, fats are stored in the__________?

   A. Epidermis
   B. Adipose tissue 
   C. Liver
   D. Epithelium

6. Sweat glands occur in greatest number in the skin of the__________?

   A. Forehead
   B. Back
   C. Armpits
   D. Palm of hand

   Submitted by: Yaseen Nohri

7. Vascular Cambium initially appears as actively dividing cells between_________________?

   A. Primary Xylem and secondary xylem.
   B. Primary xylem and secondary phloem.
   C. Primary xylem and primary phloem
   D. Secondary xylem and secondary phloem.

8. It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates

   A. Placenta
   B. Notochord
   C. Cranianta
   D. Ligule

9. The character which appears physically in an animal is __________?

   A. Genotype
   B. Phenotype
   C. Heterotype
   D. Morphozygous

   Submitted by: Rashid Mehmood

10. At which stage in the life cycle of Rhizopus meiosis takes place?

    A. Formation of sporangiophore via germination of zygospore.
    B. Formation of spores in sporangia
    C. Fusion of two hyphae
    D. Formation of Zygote by fusion of gametangia.