Posts

Showing posts with the label Reproduction in Lower and Higher Animals QUESTIONS

Featured post

ANATOMY OF FLOWERING PLANTS

-
Image
  What is Plant Anatomy? Plant anatomy is the study of internal structure and organization of tissues in plants. It helps in understanding: Functional adaptation Transport system Growth patterns Tissue Organization in Flowering Plants Flowering plants have three major tissue systems :  Epidermal Tissue System Components: Epidermis Single layer of compact cells No intercellular spaces Covered by cuticle (except roots) Cuticle Made of cutin Prevents water loss Stomata Present mainly on leaves Composed of guard cells Regulate: Gas exchange Transpiration Root hairs Extensions of epidermal cells Increase surface area for absorption Trichomes (in stem) Hair-like structures Protection + reduce transpiration  Functions: Protection Water conservation Gas exchange 🌿 B. Ground Tissue System  Types of Ground Tissue: 1. Parenchyma Living cells, thin cell wall Large vacuole Functions: Storage Photosynthesis ( chlorenchyma ) Air storage ( aerenchyma ) 2. Collenchyma Living cell...
Post a Comment
Read more

Reproduction in Lower and Higher Animals

-
Image
Q. 1 Multiple choice questions. 1. The number of nuclei present in a zygote is …… a. two b.one c. four d.eight ANS:  b. one  A zygote is formed when a sperm cell fertilizes an egg cell, resulting in the fusion of their nuclei. Therefore, a zygote has only one nucleus. 2. Which of these is the male reproductive organ in human? a. sperm b. seminal fluid c. testes d. ovary ANS: c. testes Th e testes are the male reproductive organs in humans. They produce sperm and the male hormone testosterone. 3. Attachment of embryo to the wall of the uterus is known as…….. a. fertilization b. gestation c. cleavage d. implantation ANS: d. implantation  Implantation is the process by which the fertilized egg attaches itself to the wall of the uterus and begins to develop into an embryo. 4. Rupturing of follicles and discharge of ova is known as .............. a. capacitation b. gestation c. ovulation d. copulation ANS; c. ovulation Ovulation is the process in which the follicles in the ov...
Post a Comment
Read more