Ncert – class 9- science -Chapter 6 – Tissues 2 Welcome to your Ncert – class 9- science -Chapter 6 – Tissues 2 1. Blood differs from the other connective tissues because Fibres are absent in the blood Blood corpuscles are not formed in the blood Plasma of blood is not entirely secreted by blood cells All of the above None 2. A mature human erythrocyte has the typical characteristic of A prokaryotic cell Neither eukaryotic nor prokaryotic cell A eukaryotic cell Both eukaryotic and prokaryotic cell None 3. Eleidin proteins are found in the layer of mammalian skin, stratum Corneum Lucidum Germinativum Granulosum None 4. Which one of the following muscles is responsible for moving and shaking the skin? Sphincter muscles Arrector pilli Collagen fibres Panniculus carnosus None 5. Nissl granules are found in cyton of nerve cells. These have affinity for basic dyes. The granules are made up of Cell metabolites Fat granules Mitochondria Ribosomes None 6. Tissue which connects skin with underlying muscle is made up of: Areolar connective tissue Adipose tissue Blood Epithelial tissue None 7. Which is the correct match? Dendrite - Sends signal / stimulus Synaptic knob - Present at the end of dendron Dendrite - Accepts signal / stimulus Axon - Smallest part of neuron None 8. Which of following tissues do you expect to be the most important during droughts and why? All of the above Vascular tissue because phloem regulates water supply to the plant Ground tissue because water can be stored in sclerenchyma for use during drought Epidermal tissue because it is covered with a waxy cuticle and also bears drought responsive stomata None 9. A man was infested with germs and was taken to the hospital. On pathological tests, it was found that he had a. A low number of RBCb. A high number of WBC and a low number of RBCc. A low number of WBCd. A high number of platelets Which of the following alternative is correct? c only d only a and d b only None 10. Which of the following sclereids are the characteristic of intercellular spaces of Nymphaea? Brachysclereids Macrosclereids Osteosclereids Astrosclereids None 11. Bulliform cells are: Water filled and highly vacuolated epidermal cells Collenchymal cells Ball-like parenchymatous cells Sclerenchymal cells None 12. Helper T-lymphocytes are characterised to release ................. Pyrogenes Serotonin Cytokines Histamine None 13. Match the column (A) with the column (B). Column AColumn BA) Fluid connective tissue 1)Subcutaneous layerB)Filling of space inside the organs2)CartilageC) Striated muscle 3) Skeletal muscleD)Adipose tissue4) Areolar tissueE)Surface of joints5) bloodF) Stratified squamous epithelium6) Skin A- 5, B- 6, C- 3, D- 1, E- 2, F- 4 A- 5, B- 4, C- 1, D- 3, E- 2, F- 6 A- 5, B- 4, C- 3, D- 1, E- 2, F- 6 A- 5, B- 4, C- 3, D- 1, E- 6, F- 2 None 14. The type of connective tissue that is associated with the umbilical cord is Areolar connective tissue Jelly-like connective tissue Reticular connective tissue Adipose connective tissue None 15. In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells. These cells are called Companion cells Subsidiary cells Bulliform cells Guard cells None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.